Role of sentinel lymph node mapping in upstaging of colorectal carcinoma Hossam El-fol ,Mohamed lihty Ahmed , Mahmoud Bohram , Soliman El-shakhs , Alaa El-sesy , Hassan Abd Allah , Basem Hegab , Hayam Ayad , Ayman El-Batony

1.     Role of sentinel lymph node mapping in upstaging of colorectal carcinoma Hossam El-fol ,Mohamed lihty Ahmed , Mahmoud Bohram , Soliman El-shakhs , Alaa El-sesy , Hassan Abd Allah , Basem Hegab , Hayam Ayad , Ayman El-Batony