PHOENIX (EGMN) - Definitive radiation therapy with or without chemotherapy was less tolerated and less effective in HIV-positive patients with head and neck squamous cell carcinoma than in HIV-negative patients in a single-institution retrospective study of 71 HIV-positive patients."Head and neck squamous cell carcinoma with coexisting HIV remains a challenging clinical problem. ... Due to the advances in highly active antiretroviral therapy (HAART) - which prolongs HIV patients' survival - the likelihood...