PTEN and neoplasm: The relationship between CD138 expression and 11 of the most frequent genomic deletions (PTEN, 3p13, 5q21, 6q15, 13q14, 18q21, 8p21, 12p13, 12q24, 16q24, 17p13) was not only analyzed for the entire tumor cohort but also for the subgroups with identical ERG status (Figures 5 and 6).