PSCA and gallbladder cancer: A study based on 405 gallbladder cancer patients and 247 healthy controls showed that the PSCA haplotype Trs2294008 Ars2978974 conferred low risk of gallbladder cancer in males, while in females, the Trs2294008 Grs2978974 haplotype was related to increased gallbladder cancer risk [22].