title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 16-1994. A 57-year-old woman with a mass in the right atrium.
mesh_terms: D003937:Diagnosis, Differential; D005260:Female; D006325:Heart Atria / Q000473:pathology; D006338:Heart Neoplasms / Q000473:pathology*; D006801:Humans; D008875:Middle Aged; D009232:Myxoma / Q000473:pathology*; D009360:Neoplastic Cells, Circulating / Q000473:pathology; D011655:Pulmonary Embolism / Q000473:pathology