Prostate cancer staging criteria
The staging criteria for prostate cancer mainly depend on the severity of the disease. Generally, it is determined based on the analysis of symptoms, and also needs to be determined with the help of imaging examinations and pathological examinations.
1. Stage IStage I prostate cancer generally has no obvious symptoms, but the presence of cancer cells can be found through pathological examination.
2. Stage 2Stage 2 prostate cancer begins to show mild symptoms, such as frequent urination and interrupted urination, less semen volume during ejaculation, and generally there is no metastasis. The presence of diseased tissue can be found through imaging.
3. Stage IIIProstate cancer has metastasized slightly and has relatively many symptoms, such as rectal compression and pain or erectile dysfunction.
4. Stage IVStage IV prostate cancer is relatively serious and has caused damage to surrounding tissues. Chemotherapy and radiotherapy must be selected in a timely manner to control the metastasis speed of cancer cells.
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