Fig.2

Representative images of the tumor before and during pembrolizumab monotherapy in a patient with pancreatic metastasis of salivary duct carcinoma. (a) Pre-treatment of the patient with pancreatic metastasis. (b) Tumor shrinkage observed 63 days after the initiation of pembrolizumab monotherapy. (c) Tumor disappeared 154 days after the initiation of pembrolizumab monotherapy.