What is T3a staging?

Extraprostatic Extension (T3a) •Prostate has no true capsule •“Capsule” is a condensed fibromuscular layer of prostate stroma •Best recognized in posterior and posterolateral aspects At apex, anterior and base, “capsule” not readily recognized and contour is irregular When EPE is identified, location and extent should be documented Focal (< one 40x field AND < 2 sections); nonfocal