title: Prolonged survival associated with spontaneous disappearance of untreated right atrial intracavitary metastasis.
mesh_terms: D000368:Aged; D002292:Carcinoma, Renal Cell / Q000175:diagnosis / Q000503:physiopathology / Q000556:secondary*; D004452:Echocardiography; D006338:Heart Neoplasms / Q000175:diagnosis / Q000503:physiopathology / Q000556:secondary*; D006801:Humans; D007680:Kidney Neoplasms; D008113:Liver Neoplasms / Q000556:secondary; D008175:Lung Neoplasms / Q000556:secondary; D008297:Male; D009365:Neoplasm Regression, Spontaneous; D014652:Vascular Diseases / Q000209:etiology; D014682:Vena Cava, Inferior