Effect of Glossopharyngeal Versus Diaphragmatic Breathing Exercise on Pulmonary Function After Decortication Surgery

patients will receive traditional chest techniques in the form of percussion and vibration, 2 times per day, 3 sets 5 repetitions per each set for 20 minutes, 3 times per week for 2 weeks

patients will receive Glossopharyngeal breathing exercise, 2 times per day, 3 sets 5 repetitions per each set for 20 minutes, 3 times per week for 2 weeks.

patients will receive diaphragmatic breathing exercise, 2 times per day, 3 sets 5 repetitions per each set for 20 minutes, 3 times per week for 2 weeks.