input: [1] Swellings or hard growths appear, lumps or bumps can be felt. Swellings grow rapidly. Lethargy, weight loss and loss of appetite may accompany these symptoms. [2] Cancer Carcinoma [3] Tumors can be caused by a variety of things. Can be congenital, but risk of cancer increases rapidly with old age. Tumors may also be triggered by inhalation or ingestion of a carcinogenic substance. [4] Prevent all exposure to known and suspected carcinogens such as tobacco and talc. Do not breed from degus with a history of cancer or unexplained growths. In advanced cases, do not prolong unnecessary suffering. [5] FATAL [0] 
output: Any