POLR1B and posterior cortical atrophy: Of the top five selected features for SV and CNA data, and for the 30 small somatic mutation-identified drivers (Table S14), the genes that appear new to PCa, which are lacking in PCAWG and are African-specific, include SP110, GATAD2B, RAI1, MED26, BRD1, POLR1B, VPS72, ELP5, UBTF, MXD1, DR1, and ELL.