title: An atypical cardiac lesion yields to clinical alertness.
mesh_terms: D000368:Aged; D002561:Cerebrovascular Disorders / Q000175:diagnosis; D003937:Diagnosis, Differential; D004452:Echocardiography; D006325:Heart Atria; D006338:Heart Neoplasms / Q000150:complications / Q000175:diagnosis*; D006801:Humans; D008297:Male; D009232:Myxoma / Q000150:complications / Q000175:diagnosis*