If found in prostate cancer cells, physicians need to know the stage of disease and the extent of violations. Stages through careful examination and inspection in order to learn whether the cancer has spread? If the proliferation of, and that part of the body which has been affected? Physicians will through a series of blood and imaging examinations in order to understand the disease stage. At the same time, the treatment of prostate cancer must also be based on disease stage may be.
The above inspection and test results can help physicians to decide which patients are at a stage. Prostate cancer in accordance with local invasion or the extent of spread is divided into four phases:
Phase I: Cancer can not be detected by digital rectal examination, but also without any symptoms. Such cancer is usually a result of the lifting of voiding difficulties found during surgery. Cancer of this period was limited within the prostate can be found at various violations of its region, but no spread to the prostate outside.
Phase II: digital rectal examination or blood test can detect the tumor. But cancer is still confined to the prostate gland.
Stage III: cancer has spread outside the prostate to nearby organizations.
Phase IV: cancer has spread to the lymph nodes or other parts of the body.
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