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. 2018 Jan 8;13:4. doi: 10.1186/s13019-017-0692-3

Fig. 1.

Fig. 1

Preoperative images of the patients. a In case 1, the tumor protruded from the chest wall with destruction of the second and third ribs, and invaded the upper edge of the fourth rib. b In case 2, the tumor had destroyed infrasternal bone and protruded from the chest wall