title: Dysphagia and an abdominal mass in a 43-year-old man with acquired immunodeficiency syndrome.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000473:pathology*; D000328:Adult; D003680:Deglutition Disorders / Q000473:pathology; D003937:Diagnosis, Differential; D004943:Esophagogastric Junction / Q000473:pathology*; D006801:Humans; D008297:Male; D012514:Sarcoma, Kaposi / Q000473:pathology*; D013274:Stomach Neoplasms / Q000473:pathology*