Distal &or proximal margin involvement:PrThr:Pt:Colorectal cancer specimen:Nom
distal &or proximal margin involvement:prthr:pt:colorectal cancer specimen:nom
Distal &or proximal margin involvement:PrThr:Pt:Colorectal cancer specimen:Nom
distal &or proximal margin involvement:prthr:pt:colorectal cancer specimen:nom