KITLG and colorectal adenocarcinoma: There are 59 invasive colorectal adenocarcinoma cases available in the database; among them, 1 case (TCGA-AA-3680) shows homozygous deletion of miR-34c and 3 cases (TCGA-AA-3561, TCGA-AG-3586 and TCGA-AG-3892) exhibit KIT mRNA up-regulation but none cases show decreased miR-34a or KITLG alteration.