RASSF1 and non-small cell lung carcinoma: Kim H et al. discovered that RASSF1A methylation assay on BALFs resulted in a diagnostic sensitivity of 37.6% and a specificity of 96.1% with a participation of 85 NSCLC patients, indicating that RASSF1A might be a potential biomarker for detection of NSCLC in bronchial lavages [15].