The Importance of Testing for MSI Status in Gastric Cancers

Yelena Y. Janjigian, MD, a medical oncologist at Memorial Sloan Kettering Cancer Center, discusses the importance of testing for microsatellite instability-high (MSI-H) status in patients with gastric cancers.

Yelena Y. Janjigian, MD, a medical oncologist at Memorial Sloan Kettering Cancer Center, discusses the importance of testing for microsatellite instability-high (MSI-H) status in patients with gastric cancers.

While MSI-H is a rare subset of gastric cancers, it is important to determine MSI status early on in treatment. Patients with MSI-H tumors can have a life-changing response to immune checkpoint inhibitors, says Janjigian.