%0 Journal Article %T Primary Signet Ring Cell Carcinoma of Rectum Diagnosed by Boring Biopsy in Combination with Endoscopic Mucosal Resection %A Daisuke Miyamori %A Kazuki Kimura %A Keishi Kanno %A Koji Arihiro %A Masafumi Mizooka %A Nobusuke Kishikawa %A Shinji Tanaka %A Shinji Tomoda %A Shiro Oka %A Susumu Tazuma %A Tomoki Kobayashi %A Yoshito Hirata %A Yuichiro Otani %J Archive of "Case Reports in Medicine". %D 2018 %R 10.1155/2018/5860815 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5818929/