To maintain patient confidentiality, the pathology report's image was cropped and modified.
Report
Gross: Grey white membranous tissue measuring 2 cm x 2 cm.
Microscopic: Histologic section shows thick fibrous fragments of tissue with intense foreign body type giant cells granuloma admixed with scattered small mature lymphocyte along with laminated glassy membranous tissue with central granular necrosis background.
Diagnosis: Posterior chest wall hydatid cyst (echinococcus).