Large Metastatic Cardiac Tumor from Ascending Colon Cancer with Autopsy. - Tomiyama, Takashi; Shijimaya, Takuya; Sano, Yasuki; Kobayashi, Sanshiro; Fukui, Toshiro; Ishida, Mitsuaki; Naganuma, Makoto (Case Reports in Gastroenterology, 2021)