Clinical info/reason for study - 25 year old male with history of significant weight loss ... Sarcoid. Silicosis. Castleman's Disease. Diagnosis. Lymphoma. Lymphoma ...
Pathology- Retracting pulmonary scar causing invagination of parietal ... more than one wedge shaped, lentiform or irregular opacity, juxtapleural in location. ...
Embryology: involution of right 4th aortic arch between rt. SCA and rt. CCA ... Usually asymptomatic or may cause dysphagia called dysphagia lusoria. ...