Pseudoprogression presenting as intestinal perforation in non-small cell lung cancer treated with anti-PD-1: A case

Hee Kyung Kim1, Seung-Woo Baek1, Yusook Jeong1

  • 1Division of Hematology and Oncology, Chungbuk National University Hospital, Cheongju, North Chungcheong 28644, Republic of Korea.

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