Since TGFB is an evolutionarily conserved signaling pathway regulating various cellular processes (e.g., proliferation, differentiation, apoptosis, inflammation, and fibrosis) [22], the correlation between the expression levels of PTBP1 and TGFB pathway-related genes in pan-cancer was analyzed (Figure 3(e)). The gene discussed is TGFB1; the disease is cancer.