Figure 5

Organ at risk contour evaluation and achievement of dose constraints. Spinal cord, brainstem, and parotids were deemed mandatory for delineation and/or dose reporting and if one of these structures could not be assessed, it was called unacceptable. Remaining structures which were not submitted were called missing. Abbreviation: cord – spinal cord; submand – right submandibular gland; oral cav – oral cavity.