3. A big change in bowel behavior – may be a sign of colon cancer

4 Untreated wound depends on where it is, ulcer in the mouth can mean mouth cancer

5. Long-term difficulty swallowing – may mean that a person suffers from esophageal cancer

6. Unexplained weight loss – may indicate several types cancer

7. Sustainable change in the behavior of the bladder – can be a sign of bladder cancer and prostate cancer in men

8. An unexplained lump – can be a warning sign for many forms of the disease

9. Eternal inexplicable pain – depending on where it may be a symptom of many cancers

10. Unexplained bleeding – It may mean the presence of several cancers