SERPINB5 and neoplasm: Maspin expression predicts a better prognosis in different types of cancers: breast [22], [23], prostate [24], [25], colon [26], oral squamous cell carcinoma [27], lung [28], larynx [29], malignant melanoma [30] and ovarian cancer [31], although recently it has been reported that it might act as tumor promoter in colorectal or pancreatic cancers [32], [33].