PubMed:: ("Colectomy"[Mesh:NoExp] OR colectom*[tiab] OR colon resection*[tiab] OR colorectal resection*[tiab] OR hemicolectom*[tiab] OR large bowel resection*[tiab] OR colectom*[ot] OR colon resection*[ot] OR colorectal resection*[ot] OR hemicolectom*[ot] OR large bowel resection*[ot] OR ileocecal resection*[tiab] OR ileocaecal resection*[tiab] OR ("Anastomosis, Surgical"[Mesh] AND "Colon"[Mesh]) OR (anastomos*[tiab] AND (intracorporeal*[tiab] OR colon*[tiab] OR ileocolon*[tiab])) OR (anastomos*[ot] AND (intracorporeal*[ot] OR colon*[ot] OR ileocolon*[ot])));; Embase.com:: 'colon resection'/exp OR colectom*:ab,ti OR (colon NEAR/3 resection*):ab,ti OR (colorectal NEAR/3 resection*):ab,ti OR hemicolectom*:ab,ti OR ('large bowel' NEAR/3 resection*):ab,ti OR (ileocecal NEAR/3 resection*):ab,ti OR (ileocaecal NEAR/3 resection*):ab,ti OR ('colon anastomosis'/exp OR 'colorectal anastomosis'/exp OR 'ileoanal anastomosis'/exp OR 'ileorectal anastomosis'/exp OR 'rectum anastomosis'/exp AND 'colon'/exp) OR (anastomos*:ab,ti AND (intracorporeal*:ab,ti OR colon*:ab,ti OR ileocolon*:ab,ti))