The sensitivity and specificity of TPH in the diagnosis of ECE were 75.4% (43/57) and 78.9% (41/52) respectively, 87.7% (50/57) and 42.3% (22/52), respectively for WIS, and 71.9% (41/57) and 65.4% (34/52), respectively for tumor size. This evidence concerns the gene TPH1 and neoplasm.