GPT and lung carcinoma: In the regression analysis of liver serum enzymes, ALT/AST (Figure 8), TP (Figure 9), albumin (Figure 10), ALT (Figure 11), and ALP (Figure 12), with the SUV max of lung cancer patients, a significant positive correlation is observed, with calculated regression correlation coefficients of R2 = 0.026, 0.024, 0.024, and 0.018, respectively.