Study of Inspiratory Muscle Training for Patients Undergoing Esophageal Surgery

"The training will include the following components:~1. Breathing Awareness~2. Upper and Lower Extremity Exercise.~3. Instructions for Inspiratory Muscle Training (IMT) performed using the PFlex valve~4. Practice at home"

Patient quality of life will be measured using patient-reported outcomes measurement information system (PROMIS) global items. Patients will also complete the Chronic Respiratory Questionnaire (CRQ) and the Medical Research Council Dyspnea Scale (MCR).