Fig. 1

Visualization of the metal fragment in the branch of the right mid-lobe pulmonary artery by spiral computed tomography (CT) scan on the third day after the injury. a A photograph of the two-dimensional reconstruction of the CT frontal view image with the projectile embolus in the right pulmonary artery (marked with an arrow); b A photograph of the two-dimensional reconstruction of the CT sagittal view image with the projectile embolus in the branch of the right mid-lobe pulmonary artery (marked with an arrow) (c) A photograph of three-dimensional reconstruction of the CT front view image showing the pulmonary artery with the projectile embolus (marked with an arrow); d A photograph of CT angiography illustrating the projectile embolus (marked with an arrow); e A photograph of three-dimensional reconstruction of the CT angiography illustrating projectile embolus (marked with an arrow); f A photograph of three-dimensional reconstruction of the CT angiography showing projectile embolus in the pulmonary artery (marked with an arrow)