Table 1 Clinico-pathological characteristics and CTC enumeration of metastatic lung cancer patients. Total CTC number is enumerated in 2 mL of patient's blood sample based on DAPI+/CK+/CD 45- criteria. Secreting CTCs refer to isolated and purified CTCs with VEGF secretion in another 2 mL blood sample taken from the same patient. (SCC: Small cell carcinoma; *One microchamber contains two cells and we count as one secreting cell.)

From: An Integrated Microfluidic Chip System for Single-Cell Secretion Profiling of Rare Circulating Tumor Cells