IL2 and heart failure: The cardiovascular expressions of toxic sources include heart failure with ventricle diastolic dysfunction (5-Fluorouracil, Capecitabine, Taxanes, Alkaloids, and Bevacizumab), arterial hypertension (Bevacizumab), arrhythmias (anthracyclines and Taxol), and arterial hypotension (Etoposide, Alemtuzumab, Cantuzumab, Rituximab, and Interleukin 2).