Table 2. Molecular markers associated with distant recurrence of NSCLC. BMFS, brain metastasis-free survival; DFS, disease-free survival; LncRNAs, long non-coding RNAs; LUAD, adenocarcinoma; LUSC, lung squamous cell carcinoma; MFS, metastasis-free survival; NSCLC, non-small cell lung cancer; OS, overall survival; PFS, progression-free survival; RFS, recurrence/relapse-free survival; "-", not available. Numbers in brackets indicate the size of validation cohorts