Fig. 2From: Detection of micro-metastases by flow cytometry in lymph nodes from patients with penile cancerSensitivity of flow cytometry detection assay. Y axis displayed the percentage of tumor cell added in the mixed cells. X axis demonstrate the percentage of tumor cells detected by flow cytometry. The linage regression analysis demonstrated a significant correlation between added and detected cells (p < 0.0001, r2 = 0.9388)Back to article page