CCL19 and posterior cortical atrophy: The gene signatures enriched in these processes were visualized between PCa (CCL21, THBS1, PTPRC, TNFSF14, CD3E), CAFs (CCL19, THBS1, CD3E) and TLN (CCL19, CTLA4, PTPRC, TNFSF14, ITK, CD3E) (Fig. 5I).