URL https://www.researchgate.net/publication/351976432/figure/fig2/AS:11431281102482276@1669462021835/Radiopaque-body-seen-at-the-level-of-the-thoracic-vertebrae-3-4-on-anterior-chest_Q640.jpg
URL2 https://www.researchgate.net/figure/Radiopaque-body-seen-at-the-level-of-the-thoracic-vertebrae-3-4-on-anterior-chest_fig2_351976432
