Fig. 1From: Chest-wall reconstruction with a customized titanium-alloy prosthesis fabricated by 3D printing and rapid prototypingPreoperative 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 wallBack to article page