GSTM1 and hemangioma: There were no significant differences between the two groups with regard to patient age, sex, body mass index (BMI), hemangioma number, hemangioma size, hemangioma location, white blood cell (WBC), prothrombin time (PT), hemoglobin (Hb), platelet (PLT), liver and renal function indices, such as alanine aminotransferase (ALT), aspartate aminotransferase (AST), total bilirubin (TB), albumin (Alb), serum creatinine (SCr) (p > 0.05).