CLINICAL PROGRESS Intracardiac

r omovals hlave been rel)o ted. This report adds two al(litional (ases, both With unu11sualal featullres'. In the first (ase thel)atielit underwent successful removal of a inylxoina by a closed method following accidental (lislodcgmenit of the tumnor dlurinig exp)loratioli of the mitral valvc. This is the second reported com)lete removal of si1('h a tumor without the aid of extracorporeal circulation or inflow occlusion. The second case is that of a 12-year-old l)ov who ha(d a femoral artery eunbolus that on mlcros(colic examinatioin proved to be mv-xomai. The intracardiac ttumor was suc~ssfullyv removed. This is the second patient successfully operated upon in whom a tissue diagynosis was established preoperatively. He is also the second youngrest patient to survive removal of the tumor.