RAF1 and non-small cell lung carcinoma: While B‐Raf is a well‐recognized oncogene whose mutation has been reported in NSCLC,3 the role of Raf‐1 in NSCLC development is considered essential as well,4 and elevated Raf‐1 expression in NSCLC has been previously reported.5 In addition, Raf‐1 has been shown to be an independent prognostic factor of NSCLC, and its high expression is associated with poor prognosis.6