The lesion was characterized by a minimal or slight perivascular edema of larger arteries located in the proximal parts of the papillary muscle .
The lesion was characterized by a minimal or slight perivascular edema of larger arteries located in the proximal parts of the papillary muscle .
O O O O O O O O O B-FINDING I-FINDING O B-SPECIMEN I-SPECIMEN O O O O O O O B-SPECIMEN I-SPECIMEN O