Hidden hypernephroma simulating right atrial tumor.
D000230:Adenocarcinoma / Q000000981:diagnostic imaging*; D002114:Calcinosis / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D006325:Heart Atria; D006338:Heart Neoplasms / Q000000981:diagnostic imaging*; D006801:Humans; D007680:Kidney Neoplasms / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D014567:Urography; D014682:Vena Cava, Inferior / Q000000981:diagnostic imaging*