Although some studies indicate that miR‐7 inhibits tumour growth by suppressing EGFR signaling (by inhibiting EGFR and Raf1 directly and suppressing ERK1/2, AKT and STAT3 indirectly) 20, 38, 39, other studies have also indicated that miR‐7 is involved in EGFR‐related lung tumourigenesis 40, suggesting that miR‐7 might function in a cell‐type‐specific way. Here, STAT3 is linked to neoplasm.