Leo said over 500K in the PR, so I know the number
Post# of 72440
"The most common side effects of immunotherapy include:
Mouth sores. Immunotherapy can damage the cells inside the mouth and throat. This causes painful sores in these areas, a condition called mucositis. These sores can get infected. Mouth sores usually happen 5 to 14 days after a treatment."
http://www.cancer.net/navigating-cancer-care/...unotherapy