We have recently reported that AP-1 containing γ1-adaptin could support cancer growth by maintaining cell surface expression of EGFR, and that γ1-adaptin-positive granular staining is often observed in tissues of hepatocellular carcinoma, non-small-cell lung carcinoma (NSCLC), and colorectal adenocarcinoma [13]. Here, EGFR is linked to non-small cell lung carcinoma.