My husband is 60 years old and was diagnosed with Stage 4 melanoma in his small intestine and lung. They removed the tumor in the small intestine. He is starting immunotherapy (nivolumab) treatments Monday. I was just wondering what to expect. I know everyone's reaction is different. Does everyone get some kind of side effects or have any of you been fortunate enough to tolerate it ok? How quickly do the side effects kick in? I know it will be a couple of months before we know if his cancer is reacting from the treatments. I am just wondering what it will be like between now and then.