Article / Updated 03-26-2016
Cancer occurs frequently in all breeds of dogs, and some breeds are predisposed to certain types of cancer. Unfortunately, the German Shepherd is one of them. For example, hemangiosarcoma, a malignant cancer of the circulatory system, is seen more often in German Shepherds than in any other breed. No screening tests are available, and the hereditary component, if any, is not known.