Fig. 3From: The efficacy of three-ball breathing apparatus exercise based on the concept of pulmonary rehabilitation in patients after lung cancer surgeryAmong lung cancer patients who underwent wedge resection, the amount of lung function loss was not significantly different in the rehabilitation group than in the control group; However, in patients who underwent lobectomy, FVC loss in the rehabilitation group was less than that in the control group, and there was no significant difference in FEV1 lossBack to article page