CASP8 and B-cell chronic lymphocytic leukemia: A common chronic lymphocytic leukaemia risk variant39 did not show a BCC association (rs3769825, OR=1.03, P=0.35, 95% CI=0.97–1.08 ), nor did the so-called −652 6N del CASP8 promoter deletion (rs3834129) that has been controversially implicated in susceptibility to a variety of cancers40, 41 (OR=0.95, P=0.069, 95% CI=0.91–1.00).