Fig. 2From: The potential failure risk of the cone-beam computed tomography-based planning target volume margin definition for prostate image-guided radiotherapy based on a prospective single-institutional hybrid analysisThe deviations of the prostate relative to pelvic bony anatomy detected by fiducial marker matching in kV on-board imaging vs. soft tissue matching in cone-beam computed tomography in the anterior to posterior (AP), superior to inferior (SI), and left to right (LR) directions for 971 pre-treatment datasetsBack to article page