ERG and cancer: Here HOOK3 staining was strongly correlated with deletions in PTEN (p<0.0001 for both ERG negative and positive cancers), 6q15 (both p<0.0001) and 5q21 (p<0.0001, p = 0.01 respectively) but not with 3p13 deletions (p = 0.10 and p = 0.73 respectively).