1 Unexplained weight loss.
Weight loss is a very common symptom of cancer in general. There is no cancer without losing weight, especially if it is large, noticeable, and unjustified. This is due to several factors, including muscle atrophy, lack of food, and loss of appetite, and it may also be due to the side effects that Accompanying chemotherapy. Some doctors have emphasized that weight loss is primarily due to the physiology of the cancerous mass itself, which works to absorb most of the nutrients from the rest of the body.