IGF1R and colorectal carcinoma: We decided to gather as much evidence as possible, knowing that previous studies about IGF1R expression in CRC had been based upon study cohorts of limited size (Nakamura et al. n = 116 CRC patients [5]; Takahari et al. n = 91 CRC patients [2]; Shiratsuchi et al. n = 210 CRC patients [6]).