title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 29-1983. A 46-year-old man with a pericardial abnormality and a right atrial mass.
mesh_terms: D006338:Heart Neoplasms / Q000175:diagnosis / Q000473:pathology* / Q000628:therapy; D006801:Humans; D008223:Lymphoma / Q000175:diagnosis / Q000473:pathology* / Q000628:therapy; D008297:Male; D008875:Middle Aged