AIM:To detect basic fibroblast growth factor(b FGF) expression in clinical common malignant tumor(non-small-cell lung cancer,breast cancer,colon cancer and melanoma),and to identify relationship between the expression and tumor clinicopathological characteristics.METHODS:Immunohistochemical SP method was used to detect the expression of b FGF at protein level in 208 cases of paraffin-embedded tissue of primary malignant tumor patients(68 cases of lung cancer,80 cases of breast carcinoma,41 cases of colon ca...