Fig. 5
Target contouring and planning design for elective field radiotherapy after recurrence. GTVnd (pink area), CTV (blue area), PGTVnd (sky blue area), PTV (green area). The prescribed dose (SIB-IMRT) for 95% PTV was 50.4 Gy/1.8 Gy/28 f, and for 95% PGTVnd was 61.88 Gy/2.21 Gy/28 f. The concurrent chemotherapy regimen included liposomal paclitaxel (135 mg/m2 IV) on day 1 and nedaplatin (50 mg/m2 IV) on day 1, which were cycled every 21 days. A total of 2 cycles were delivered