I've had 3 Ketruda treatments. I get a 4th one in a few weeks. Then the Onocologist will give me another PET scan to see if the spot in my lung is shrinking. I have tumors going up my shinbone on my leg from the original incision site that seem to be swelling up bigger. I heard that was normal but I don't know. I've been experiencing a little bit of a cough. But thats mostly at night when I go to bed. Trying to keep a positive attitude, as this is my 4th year with metastatic melanoma, and the Dr. told me people like me usually don't live past 5 years with this disease. We'll see.