Survival benefits of adjuvant chemotherapy after conversion surgery in patients with advanced pancreatic cancer - Lee, Yoon Suk; Lee, Jang Won; Kim, Hak Jun; Chun, Jung Won; Lee, Jong-Chan; Jang, Dong Kee; Hwang, Jin-Hyeok; Kim, Young Ae; Woo, Sang Myung (Frontiers in Oncology, 2025)