%0 Journal Article %T Pancreatic neuroendocrine tumor Grade 1 patients followed up without surgery: Case series %A Hiromasa Ohira %A Hiroyuki Asama %A Hitomi Kikuchi %A Jun Nakamura %A Ko Watanabe %A Mika Takasumi %A Mitsuru Sugimoto %A Naoki Konno %A Rei Suzuki %A Satoshi Kawana %A Tadayuki Takagi %A Takuto Hikichi %A Yuichi Waragai %A Yuko Hashimoto %J Archive of "World Journal of Clinical Oncology". %D 2017 %R 10.5306/wjco.v8.i3.293 %K Pancreatic neuroendocrine tumors %K Metastasis %K Neuroendocrine tumors Grade 1 %K Follow-up %K Surgery %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5465021/