00290nam a22001217a 4500020001800000082001700018100001600035245003900051250001200090260004000102300001300142654001300155  a9783030572754  a616.994bENG  aEngin, Omer  aColon polyps and colorectal cancer  a2nd ed.  aSwitzerland bSpringer Naturec2021  a1-732 p.  aOncology