[A non-Hodgkin lymphoma arising from the anus and occurring in HIV-positive patients. Homosexual HIV-positive men have an increased risk of developing anal non-Hodgkin lymphoma in comparison to the general male population. The majority of the cases are large cell lymphomas of B-cell phenotype. ( NCI )]
UMLS (NCI) C1332674AIDS-Related Anal Non-Hodgkin's Lymphoma
AIDS-Related Primary Anal Non-Hodgkin's Lymphoma