KRAS and lung adenocarcinoma: The scatter plots for these 13 microRNAs revealed that the let-7e and miR-342-3p expression patterns were elevated in the KRAS-mutated lung adenocarcinomas (KRAS group) and EGFR-mutated lung adenocarcinomas (EGFR group), and reduced in the ALK-rearranged lung adenocarcinomas (ALK group) and TN lung adenocarcinomas (TN group).