Pulmonary inflammatory pseudotumor (PIP) is a rare condition of unknown etiology. It is still a matter of debate if it represents an inflammatory lesion characterized by uncontrolled cell growth or a true neoplasm. Although mostly benign, these tumors are diagnosis and therapeutic challenges. Preoperative diagnosis can rarely be established. The treatment of choice is surgical resection which has both diagnostic and therapeutic value. We report the case of a 63-year-old male presented with clinical and imagistic picture suggestive of malignancy in the thorax. Lobectomy was performed with histological diagnosis of PIP. No evidence of tumor recurrence.
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