Such promising prognostic and predictive markers are missing in squamous cell carcinoma of the lung (LSCC), with the exception of PD-L1 and rare mutations in Epidermal Growth Factor Receptor (EGFR) and rearrangements in Anaplastic Lymphoma Kinase (ALK) [2,3,4]. Here, EGFR is linked to squamous cell lung carcinoma.