A patient underwent lumbar spinal fusion performed thorough the left transthoracic approach, chest drainage was placed. On the 5th postoperative day, the patient was admitted to the ICU for atelectasis of whole left lung. Auscultation revealed missing breathing sound over the entire left lung; the drain was not blocked, serous secretion was coming out of it. CT performed just before admission to ICU revealed multiple small pneumothoraces and total atelectasis on the left side.
Several ultrasonographic findungs are presented here: