From WIVB News 4:
Dr. Saby George is one of the researchers leading nationwide studies of the immunotherapy called nivolumab or opdivo as a treatment for advanced kidney cancer. He says the results are promising. “This drug is not a traditional cancer drug this is different in terms of how it works. This new class of drugs works by activating the t cells which go and invade the tumors and they may initially get bigger before they can get smaller,” said Roswell Park Cancer Institute Medical Oncologist Doctor Saby George.