Giant pancreatic stentolith after chronic transgastric pancreatic duct drainage - Kazuki Hama, MD; Shuntaro Mukai, MD, PhD; Takayoshi Tsuchiya, MD, PhD; Ryosuke Tonozuka, MD, PhD; Kenjiro Yamamoto, MD, PhD; Kazumasa Nagai, MD, PhD; Yukitoshi Matsunami, MD, PhD; Takao Itoi, MD, PhD, FASGE (VideoGIE)