In the female subpopulation, low ALDH1A1 in either tumor or stroma correlated with an increased risk of death (tumor: HR = 2.8; CI [1.27, 6.17]; p = 0.01; stroma: HR = 2.36; CI [1.0, 5.55]; p = 0.049). Here, ALDH1A1 is linked to neoplasm.