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Table 1 Dose constraints for patients treated to 79.8 Gy for localized prostate cancer.

From: Image guided dose escalated prostate radiotherapy: still room to improve

PTV ICRU point dose 79.8 Gy
  Dose to 99% of volume (D99): 75.6 Gy
  Maximum: 81.4 Gy ≤ contiguous 2 cm3.
Bladder wall 70% volume receives less than 70 Gy.
  50% volume receives less than 55 Gy.
Rectal wall 70% volume receives less than 70 Gy;
  50% volume receives less than 55 Gy.
Right/Left femoral head Maximum dose 55 Gy