LAM Guidelines (IMAGE) American Thoracic Society Caption The American Thoracic Society (ATS) and the Japanese Respiratory Society (JRS) have published additional clinical practice guidelines regarding four specific questions related to the diagnosis of lymphangioleiomyomatosis (LAM) and management of pneumothoraces in patients with LAM. Credit ATS Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.