Immunotherapy harnesses the natural power of the immune system and enhances its response to cancer. Immune checkpoint inhibitors are the most commonly used type of immunotherapy. There are several types, and they all work by interfering with mechanisms on a cancer cell or on a type of immune cell called T cells.

Recently, a new type of immune checkpoint inhibitor called a LAG-3 inhibitor was approved by the Food and Drug Administration...

When cancer cells enter the leptomeninges, which are part of the membrane that covers the brain and spinal cord, it can turn into a type of metastasis known as leptomeningeal disease (LMD).

“I describe it as a snow globe. Cancer cells can float around and can form new colonies throughout the leptomeninges of the brain and spine,” says Isabella Glitza Oliva, M.D., Ph.D., director of the Melanoma Leptomeningeal Disease Program at...