In all tested tumours (Table S2, total 20 cases), very weak staining of CFTR was shown in 3/20 of tumours (3/11 in female and 0/9 in male), middle intensity of CFTR was observed in 11/20 of tumors (5/11 in female and 6/9 in male), and high intensity of CFTR was observed in 6/20 of tumors (3/11 in female and 3/9 in male). The gene discussed is CFTR; the disease is neoplasm.