Target Volume Determination 2015

Floor of the bladder II

Prostate: Middle portion I

Prostate: Mittdle portion II

Prostate

Prostate: Middle lobe

Seminal vesicles

Neurovascular bundle

Tumour

Neurovascular bundle

Prostate: Apex

Anatomy of the Prostate: MRI

TNM Stages

• T1 Not palpable – T1a <5% of resected tissue involved – T1b > 5% of resected tissue involved – T1c Diagnosed by punch biopsy • T2 Limited to prostate – T2a less than half lobe involved – T2b More than half lobe involved – T2c Bilateral tumour • T3Extracapsular extension – T3a Not involving seminal vesicles – T3b Involving seminal vesicles • T4 Tumour fixed or invading other organs

Tumour