Bar graph representing the number of episodes of pneumothorax, hemothorax, and hemoptysis that occurred in patients prior to definitive diagnosis. The majority of patients (>70 percent) presented with two episodes or more of any one of these symptoms before a diagnosis was made.
From: Channabasavaiah AD, Joseph JV. Thoracic endometriosis: revisiting the association between clinical presentation and thoracic pathology based on thoracoscopic findings in 110 patients. Medicine (Baltimore) 2010; 89:183. DOI:
10.1097/MD.0b013e3181df67d5. Copyright © 2010. Reproduced with permission from Wolters Kluwer Health. Unauthorized reproduction of this material is prohibited.