Give Ahn Point Wellness a phone call at (781) 785-8815 Get Started

What Standard Screening Misses, the Galleri Test Is Designed to Catch

Standard cancer screening protocols cover a handful of cancer types, including colorectal, breast, cervical, lung, and prostate, among them. They are valuable, and they save lives. But they leave more than 50 types of cancer without a routine early detection option. Many of the deadliest cancers, pancreatic, ovarian, liver, and esophageal, among them, are typically diagnosed at an advanced stage precisely because no widely accessible screening exists to catch them earlier. By the time symptoms appear, or a diagnosis is made, the window for the most effective treatment has often already closed.

The Galleri multi-cancer early detection test was developed to address that gap. At Ahn Point Wellness, Dr. Lynne B. Ahn offers the Galleri test in Boston as part of a proactive, physician-led approach to cancer risk reduction, giving patients access to a level of early detection that standard screening alone cannot provide, interpreted in the context of their full health picture and integrated into a comprehensive prevention strategy.

Woman sitting in a chair

What Is the Galleri Test?

The Galleri test is an FDA-breakthrough-designated liquid biopsy developed by GRAIL that analyzes cell-free DNA shed by cancer cells into the bloodstream to detect signals associated with more than 50 types of cancer, including many that currently lack routine screening options. A liquid biopsy is a blood-based test that looks for cancer-related biological markers circulating in the bloodstream, without the need for imaging, invasive procedures, or tissue sampling. When a cancer signal is detected, the Galleri test also predicts the cancer signal origin, identifying the tissue or organ where the cancer is most likely located with a high degree of accuracy. This information guides the clinical evaluation that follows, allowing Dr. Ahn to direct further workup efficiently and appropriately rather than beginning a broad and undirected diagnostic search. The Galleri test is designed to complement, not replace, standard cancer screening protocols. It is most valuable as an additional layer of detection, particularly for the many cancer types that conventional screening does not cover, and is most appropriately used in the context of a physician-led, comprehensive approach to cancer risk management.

The Benefits of the Galleri Test

  • Detection Across More Than 50 Cancer Types: The Galleri test screens for signals associated with more than 50 cancers in a single blood draw, including pancreatic, ovarian, liver, esophageal, and other cancers that currently lack routine early detection options and are frequently diagnosed at an advanced, harder-to-treat stage.
  • Early Detection When It Matters Most: Cancer is most treatable when caught early. The Galleri test is designed to detect cancer signals at an earlier stage than symptoms or standard imaging might reveal, expanding the window for effective intervention and improving the potential for successful outcomes.
  • Cancer Signal Origin Prediction: When a cancer signal is detected, the Galleri cancer detection in Wellesley identifies the tissue or organ most likely responsible with a high degree of accuracy, allowing Dr. Ahn to direct follow-up evaluation efficiently rather than conducting a broad, undirected diagnostic workup.
  • A Simple, Non-Invasive Screening Experience: The Galleri test requires only a standard blood draw and involves no radiation exposure, no invasive procedures, and no significant preparation or recovery. It can be completed at our Wellesley office as part of a comprehensive preventive health assessment.
  • High Specificity to Minimize False Positives: The Galleri test is designed with a high specificity, meaning a low rate of false positive results, reducing the likelihood of unnecessary follow-up procedures and the anxiety associated with them.
  • An Additional Layer of Protection Beyond Standard Screening: For patients who already follow recommended cancer screening guidelines, the Galleri test adds a meaningful layer of detection coverage for the many cancer types that standard protocols do not address, complementing existing screening rather than replacing it.
Banner media
(781) 785-8815

Schedule a Consultation

Contact Us
Contact us media

Is the Galleri Test Right for Me?

GRAIL recommends the Galleri test for adults aged 50 and older, though it may be appropriate at a younger age for patients with an elevated personal or family history of cancer, known hereditary cancer risk factors, or other clinical characteristics that increase cancer risk. It is particularly valuable for patients who want the most comprehensive approach to cancer risk reduction available and who are committed to proactive, prevention-focused health management.

The Galleri test is a screening tool, not a diagnostic test. A positive result does not confirm a cancer diagnosis but indicates that further evaluation is warranted. A negative result does not guarantee the absence of cancer. Dr. Ahn will discuss the clinical implications of both possible outcomes during your consultation, ensuring that you have a clear, realistic understanding of what the test can and cannot tell you before you proceed.

The Galleri Test Process What to Expect:

Consultation and Clinical Assessment

Dr. Ahn reviews your personal and family health history, current cancer screening status, and risk factors to determine whether the Galleri cancer detection in Wellesley is appropriate and how it fits within your comprehensive prevention strategy.

Test Ordering and Blood Draw

The Galleri test is ordered by Dr. Ahn and completed through a standard blood draw at our Wellesley office. No significant preparation is required, and the procedure takes only a few minutes.

Laboratory Analysis

The blood sample is processed by GRAIL's laboratory, where cell-free DNA is analyzed for cancer signals using advanced sequencing technology. Results are typically available within two weeks.

Results Review With Dr. Ahn

Dr. Ahn reviews your results with you in detail, explaining what a positive or negative finding means in the context of your individual risk profile and health history, and recommending appropriate next steps based on your specific result.

Follow-Up Evaluation if Indicated

If a cancer signal is detected, Dr. Ahn uses the cancer signal origin information provided by the test to direct a targeted follow-up evaluation, coordinating any additional imaging, laboratory testing, or specialist referral needed to investigate the finding further.

Integration Into Your Ongoing Prevention Strategy

Whether your result is positive or negative, Dr. Ahn incorporates the Galleri test into your broader, ongoing cancer risk management strategy, recommending an appropriate retesting interval and ensuring that cancer screening remains an active component of your long-term preventive health plan.

Background media

Your Galleri Test Results

Galleri test results are typically available within approximately two weeks of the blood draw. Results are either a cancer signal not detected or a cancer signal detected with an associated cancer signal origin prediction.

Dr. Ahn reviews all results with you directly, providing the clinical context and guidance needed to understand what your result means and what, if anything, it indicates about next steps. A cancer signal not detected result is reassuring and means that no cancer signal was identified in the blood sample analyzed. It does not guarantee the absence of cancer, as no screening test detects all cancers, and continued adherence to standard screening guidelines remains important. A cancer signal detected result means that a cancer signal was found and further evaluation is recommended. Dr. Ahn will guide you through the next steps efficiently, compassionately, and with the full context of your health picture informing every decision.

Why Choose Ahn Point Wellness?

The Galleri test is a powerful tool, but its value is significantly enhanced when it is offered within a physician-led, comprehensive approach to cancer risk management rather than as a standalone service. At Ahn Point Wellness, it is exactly that.

Physician-Led Cancer Risk Management

Dr. Ahn reviews every Galleri result in the context of your full health picture—including your personal and family history, hereditary cancer risk factors, standard screening status, and overall prevention strategy—ensuring that findings are interpreted and acted upon with the clinical depth and nuance they deserve.

Integrated Into a Comprehensive Prevention Strategy

At Ahn Point Wellness, the Galleri test is offered as one component of a broader, physician-led approach to cancer prevention and early detection, integrated alongside genetic testing, preventive health assessments, and longitudinal monitoring to provide the most complete picture of cancer risk available.

Compassionate, Guided Navigation of Results

Receiving a cancer signal detected result is a significant moment, and how it is handled matters. Dr. Ahn provides a calm, thorough, and compassionate review of every result, ensuring that patients understand what the finding means, what the next steps are, and that they are fully supported through the evaluation process that follows.

A Proactive Approach to One of the Most Important Health Risks

Cancer is among the most feared and consequential health conditions, and early detection is among the most powerful tools available for improving outcomes. At Ahn Point Wellness, the Galleri test in Wellesley reflects the same proactive, prevention-first philosophy that defines every aspect of Dr. Ahn's approach to long-term health.

Background media

Galleri Multi-Cancer Early Detection Test Boston & Wellesley, MA Frequently Asked Questions

How many cancer types does the Galleri test screen for?

The Galleri test screens for signals associated with more than 50 types of cancer, including many that currently lack routine early detection options — such as pancreatic, ovarian, liver, esophageal, and gastric cancers. It is one of the most comprehensive cancer screening tools currently available in a clinical setting.

How accurate is the Galleri test?

The Galleri test has been designed with high specificity, meaning a low rate of false positive results. In clinical studies, the overall false positive rate was approximately 0.5%, meaning that fewer than 1 in 200 people without cancer would receive a positive result. Sensitivity, the ability to detect cancer when it is present, varies by cancer type and stage, and is generally higher for later-stage cancers. Dr. Ahn will discuss the performance characteristics of the test in detail during your consultation.

What does a positive result mean?

A cancer signal detected result means that the test identified a cancer-associated signal in your blood sample and has predicted a cancer signal origin, the tissue or organ most likely responsible. It does not confirm a cancer diagnosis. Further evaluation, directed by the cancer signal origin prediction, is recommended to investigate the finding. Dr. Ahn will guide you through the appropriate next steps based on your specific result.

What does a negative result mean?

A cancer signal not detected result means that no cancer signal was identified in your blood sample. It is a reassuring finding, but it does not guarantee the absence of cancer, as no screening test detects all cancers at all stages. Continued adherence to standard cancer screening guidelines remains important regardless of a negative Galleri result.

Who should consider the Galleri test?

The Galleri test is recommended for adults aged 50 and older, though it may be appropriate at a younger age for patients with elevated cancer risk due to personal or family history, hereditary cancer risk factors, or other clinical characteristics. Dr. Ahn will evaluate your individual risk profile during your consultation and recommend whether and when the Galleri test is most appropriate for you.

How often should the Galleri test be repeated?

GRAIL recommends annual testing for patients who choose to incorporate the Galleri test into their cancer screening routine. Dr. Ahn will recommend a testing interval based on your individual risk profile, prior results, and the broader cancer screening strategy developed as part of your preventive health plan.

Can the Galleri test replace my standard cancer screenings?

No. The Galleri test is designed to complement standard cancer screening protocols, not replace them. Mammography, colonoscopy, Pap smears, low-dose CT lung screening, and other established screening tests remain important components of a comprehensive cancer prevention strategy. The Galleri test adds a layer of detection for the many cancer types that standard screening does not cover.

Is the Galleri test covered by insurance?

Most insurance plans do not currently cover the Galleri test, though coverage is evolving as the evidence base for multi-cancer early detection testing continues to grow. Ahn Point Wellness is a cash-pay practice, and many patients find that HSA and FSA accounts can help offset the cost. Dr. Ahn will discuss the test and associated costs during your consultation.

Get
Started

Schedule a consultation to begin understanding your health with physician-led care.

Contact us media

Next StepsFor the Life Ahead

Contact Us
Contact us media
Accessibility: If you are vision-impaired or have some other impairment covered by the Americans with Disabilities Act or a similar law, and you wish to discuss potential accommodations related to using this website, please contact our Accessibility Manager at (781) 785-8815.
Contact Us