It ideal in a cancer, detect it early to facilitate your healing and aggravates the risk that follows when it is discovered in later stages.
Early detection will favor, in many cases, eradication without it spreading to neighboring areas or remote areas through metastasis.
Among the tests of detection of the cancer the Pap test for early detection of cervical cancer. Another test is mammography for early detection of breast cancer. The exploration by women of their own breasts is another way of detecting breast cancer early.
There is currently controversy about the criteria for assessing the levels of prostate specific antigen (PSA) in men to detect prostate cancer, since this parameter is elevated in prostate cancer cases, but also in patients with enlargement of the prostate caused by a benign cause.