This study is being done to understand how many people with HIV (PWH) present for cancer care across the AIDS Malignancy Consortium in the United States and if there are reasons that some PWH choose to participate, or not in cancer clinical trials. Optional quality o...

This phase II trial studies the side effects of chemotherapy and intensity modulated radiation therapy in treating patients with low-risk HIV-associated anal cancer, and nivolumab after standard of care chemotherapy and radiation therapy in treating patients with hig...