Answer:
Thorax is also known as chest is the body structure present in mammals lies between abdomen and neck. The organs included in the thorax are heart, thymus and lungs.
The ball hits the right lateral thorax of the Uncle. The next step pressing of sternum and sipne. If an individual presses in these area, this might cause tenderness at injury site and directly indicate the fracture of the lateral ribs. This might improves the situation for sometime and local first aid must be provided to the patient.