Fig. 4From: The best time for surgery on a patient with recurrent pneumothorax and undetectable culprit lesions is at the exact time air leakage is discovered: a case report a During the second procedure, very small pleural changes with scant air leakage were observed on the surface of S6 (arrow). b A repeated submersion test revealed the scant air leakage from the S6 lesion (arrow)Back to article page