[Why Cardio-Oncology Is Necessary Today - From a Viewpoint of the Tumor Internal Medicine].

Cancer and cardiovascular disease are 2 major disease of the Japanese cause of death. Both patients with cancer complicated with cardiovascular disease and patients with cancer developing cardiovascular disorder during cancer therapyare increasing recently. Because aging is the onset risk factor, as for these, it is predicted that the patients with both cancer and cardiovascular disease increase more and more by the arrival of the aging society. Recently, the new research field called cardiooncology( or onco-cardiology)has been established, and the cooperation of medical oncologist and cardiologist becomes indispensable.