In TASSEP, PTH level on POD 1 decreased to an average of 25.77 ± 11.56 pg/mL compared to 200.84 ± 208.95 pg/mL before operation, while in COP group, POD 1 PTH level dropped from preoperative 238.95 ± 186.26 to 26.29 ± 13.86 pg/mL (Table 3, Figure 6A). This evidence concerns the gene PTH and cryptogenic organizing pneumonia.