Clinical and Pathological Differences of Left and Right Colorectal Cancer and Prognostic Survival Analysis

1. Introduction

CRC is the second most common cancer reported in women and the third in men [1,2]. The Lancet report has confirmed CRC as the fourth deadliest cancer in the world, with nearly 900,000 deaths each year [1]. The latest statistics of The Lancet shows that the number of deaths due to CRC accounts for 10% of that in all cancer each year [1,3].