CDKN2A and dedifferentiated liposarcoma: Analysis of the Barretina sarcoma database showed that compared with normal tissue, multiple changes of p16 expression levels in dedifferentiated liposarcoma, leiomyosarcoma, pleomorphic liposarcoma, myxoid fibrosarcoma, and myxoid/round cell liposarcoma were 6.870, 5.963, 6.395, 4.967, and 1.300, respectively.