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. 2016 Nov 15;4:83. doi: 10.1186/s40425-016-0187-0

Fig. 1.

Fig. 1

Change in largest dimensions of neck mass on CT scans over treatment period. a Prior to pembrolizumab. 8.8 × 5.9 cm. b Best response to pembrolizumab. 6 × 4 cm. c Progression on pembrolizumab. 7.1 × 7.2 cm. d Post radiation 5.9 × 3.4 cm