TGFB2 and lung cancer: However, we found reduced TGFβ2 expression to be correlated with poorer patient prognosis in lung cancer (OS HR = 0.83, 95% CI = 0.73–0.94, P = .0029; PFS HR = 0.78, 95% CI = 0.64–0.94, P = .01) (Figure 2M–N).