Boring biopsy with rapid on‐site evaluation for gastric gastrointestinal stromal tumor: A pilot study - Takashi Kanesaka; Takahiro Inoue; Ayaka Tajiri; Hiromu Fukuda; Kotaro Waki; Satoki Shichijo; Akira Maekawa; Sachiko Yamamoto; Yoji Takeuchi; Koji Higashino; Noriya Uedo; Tomoki Michida; et al. (JGH Open, 2023)