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Prostate – Soft tissue
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Process for CBCT soft tissue match
Manual confirmation of match
1. Change window level to visualise rectum & superior prostate
2. Position superior CTV prostate contour to superior aspect of
prostate at junction with bladder
3. Position posterior edge of CTV prostate structure (at mid
prostate) to the anterior rectal wall
4. Check inferior CTV prostate structure to inferior edge of
prostate, using penile bulb to assist
5. Position lateral edges of CTV prostate to pelvis muscles