There are generally no symptoms in the early stage of cancer. Meanwhile, the signs of different parts and types of cancer are different, only that most of the patients with cancer progressing to a certain degree will have signs such as body wasting, fatigue and weakness. 1. Wasting of body, no matter what kind of cancer it is, it will consume body heat and energy, which will lead to wasting of body in a short period of time. 2. Tiredness and fatigue. Cancer cells will reduce the immunity of the body, plus over exertion of the body, so there will always be tiredness and fatigue. 3. Other symptoms, such as loss of appetite, cough, fever, recurring skin diseases, etc. It mainly depends on the part of the cancer, for example, lung cancer is mainly coughing, while gastric cancer is characterized by loss of appetite, acid reflux and so on.