Fig. 1From: Activity of pembrolizumab in relapsed/refractory NK/T-cell lymphomaLesion changes of case 1 before and after pembrolizumab treatment. a The skin lesions of lower limbs of case 1 at the time of relapse. b The skin lesions responded after the first cycle. After 4Â cycles, her crust of the lesions fell off and ulcers healedBack to article page