Step‐by‐step approach to laparoscopic D3 lymph node dissection while preserving the inferior mesenteric artery for advanced descending colon cancer – a video vignette. (6th December 2021) - Sato, Aya; Imaizumi, Ken; Kasajima, Hiroyuki; Ichimura, Kentaro; Sato, Kentaro; Nakanishi, Kazuaki