PLAC1 and breast cancer: The closest any cancer has come is 29 of 32 breast cancers (90.6%) [5], while other tumors such as nonsmall cell lung cancer (5 of 8, 62.5%) [8], hepatocellular cancer (32 of 69, 46.4%) [9], and colorectal cancer (22 of 42, 52.4%) [10] present PLAC1 expression much less often.