Medical Progress

Understanding Cancer – Symptoms

The Seven Warning Signs of Cancer

To remember the seven early warning signs of cancer (as designated by the American Cancer Society), think of the word CAUTION:

C hange in bowel or bladder habits.

A sore that does not heal.

U nusual bleeding or discharge.

T hickening or lump in the breast, testicles, or elsewhere.

I ndigestion or difficulty swallowing.

O bvious change in the size, color, shape, or thickness of a wart, mole, or mouth sore.

N agging cough or hoarseness.

The following symptoms may also signal the presence of some form of cancer:

  • Persistent headaches
  • Unexplained loss of weight or appetite
  • Chronic pain in bones
  • Persistent fatigue, nausea, or vomiting
  • Persistent low-grade fever, either constant or intermittent
  • Repeated instances of infection


Call Your Doctor About Cancer If:

You develop symptoms that may signal cancer, are not clearly linked to another cause, and persist for more than two weeks. You should schedule a medical examination. If the cause of your symptoms is cancer, early diagnosis and treatment will offer a better chance of cure.

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