Lipomatous hypertrophy ("massive fatty deposits") of the interatrial septum.
Devine
W A
WA
Anderson
R H
RH
D000273:Adipose Tissue / Q000473:pathology*; D004210:Dissection; D006325:Heart Atria / Q000473:pathology*; D006346:Heart Septum / Q000473:pathology*; D006801:Humans; D006984:Hypertrophy / Q000473:pathology*; D010496:Pericardium / Q000473:pathology