Disseminated Kaposi Sarcoma With Gastrointestinal Involvement and Primary Effusion Lymphoma in an Untreated HIV Patient: A Case Report. - Al Radaideh A; Jagra A; Qirem M; Ali R; Habbas A; Yaghi S; Jumean S; Althunibat I; Miller R; Sharma HO; Mistry N (Cureus, 2026)