Matsuda T, Saito Y, Fujii T, Uraoka T, Nakajima T, Kobayashi N, Emura F, Ono A, Shimoda T, Ikematsu H, Fu KI, Sano Y, Fujimori T. Size does not determine the grade of malignancy of early invasive colorectal cancer. World J Gastroenterol 2009; 15(22): 2708-2713 [PMID: 19522020 DOI: 10.3748/wjg.15.2708]