1. Inflammatory disease due to physical agents and foreign substances;Lever,1983
2. Infected granuloma and inclusion cyst secondary to a retained foreign body;Sidoti;J Fbot Surg,1991
3. Retained surgical sponges: CT and US appearance;Kokubo;Radiology,1987
4. Giant chest wall tumor resulting from tissue reaction to foreign bodies;Fukai;Ann Thorac Surg,1990
5. MR appearance of postoperative foreign body granuloma: case report with pathologic confirmation;DeMarco;AJNR,1991