Excluding sarcomatoid mesothelioma from analysis revealed a median mesothelin concentration of 2.03 nmol/l (IQR 1.24–5.82 nmol/l) and a median miR-103a-3p value of 228.5 (IQR 144.2–608.5) for mesothelioma patients. This evidence concerns the gene MSLN and sarcomatoid mesothelioma.