Figure 1From: Using neoadjuvant chemotherapy and replanning intensity-modulated radiotherapy for nasopharyngeal carcinoma with intracranial invasion to protect critical normal tissueAn example of the contour of the PTV GTV-P . The aubergine shadow represented the PTVGTV-P1 and the blue line was PTVGTV-P2. The margin between tumor and critical normal was extended.Back to article page
