Notably, the Lyn-high tumours in PCA group 3/4 were six of the seven tumours with the highest rank for Lyn expression by RNAseq, the one exception being one of the Lyn-high tumours in PCA group 1/2 that ranked second in Lyn expression by RNAseq but had been scored 0 for LYN expression by IHC (Table S5). This evidence concerns the gene LYN and neoplasm.