Tuberculosis Can Emerge After Immunotherapy
![Tuberculosis Can Emerge After Immunotherapy](https://assets.realclear.com/images/42/422004_1_.jpg)
In December 2012, an 80-year-old man in Florida went to his doctor to have a bulge on his eyelid examined. Tests showed that the bump was a rare form of skin cancer called Merkel cell carcinoma. Despite treatment, the man's cancer spread, first to lymph nodes under his jaw, then to lymph nodes in his abdomen.