FOLR1 and non-small cell lung carcinoma: In one NSCLC patient, 7 CTCs/2 mL were detected in one tube of blood using anti-EpCAM-MNs, and 12 CTCs/2 mL were detected in another tube of the same patient’s blood using the combination of anti-EpCAM-MNs and anti-FRα-MNs.