extracapsular extension
Synonyms: capsular penetration
Abbreviations: ECE
Definition: (EK-strah-CAP-su-lar) Prostate cancer cells have extended into, and possibly through, the prostate capsule or outer lining of the prostate gland. It may be unilateral (one lobe or side) or bilateral (involving both lobes or sides.) Designated as Stage T3, the amount of extension will determine which T3 stage it is (T3a, b or c). Not the same as metastatic cancer. See TNM staging.
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