Evaluation of Thoracic Ultrasound in Monitoring Pleural Drainage in Postoperative Thoracic Surgery

"Perform un ultrasound test, in addition to Chest X-Ray (usual practice), few hours after the surgery (D0), the next day (D1) and 4 to 6 hours after drain removal.~The data are collected in the standardized protocol for the two type of imaging.~The thoracic ultrasound and the Chest X-Ray are performed, blindly each other, in the same position for the patient and the same suction level of drain."