Wet food can go bad much faster than dry food. The dog may present a number of symptoms if eating bad food: 1  Vomiting. 2  Diarrhea. 3  Abdominal cramps or pain. 4  Lack of appetite. 5  Skin rashes. 6  Itchy skin.
Colorectal surgeons, also called colon and rectal surgeons or proctologists, are physicians who specialize in the medical and surgical treatment of conditions that affect the lower digestive tract (i.e., the large intestine). Colorectal surgeons undergo extensive education and advanced training.
Your regular doctor should be able to recommend colorectal cancer specialists in your area. You could also check the websites of local hospitals or national organizations, like the American College of Surgeons or the American Society of Clinical Oncology.