Heart Leiomyosarcoma, also known as leiomyosarcoma of heart, is related to leiomyosarcoma and sarcomatous intrahepatic cholangiocarcinoma. An important gene associated with Heart Leiomyosarcoma is CALD1 (Caldesmon 1), and among its related pathways/superpathways are Breast cancer pathway and MAPK Signaling: Mitogens. Affiliated tissues include heart, and related phenotypes are neoplasm and endocrine/exocrine gland