Discordance in Claudin 18.2 Expression Between Primary and Metastatic Lesions in Patients With Gastric Cancer. - Seung-Myoung Son; Chang Gok Woo; Ok-Jun Lee; Sun Kyung Lee; Minkwan Cho; Yong-Pyo Lee; Hongsik Kim; Hee Kyung Kim; Yaewon Yang; Jihyun Kwon; Ki Hyeong Lee; Dae Hoon Kim; et al. (Journal of Gastric Cancer, 2025)