Pain on the sides of the rib cage can be due to various reasons. This pain causes problem in breathing or any arm movement ...

said he avoided a fracture in his left rib cage but instead suffered torn cartilage, which is an unusual injury without contact. Casas was told by a doctor that he "created my own car crash." ...

When this cartilage becomes inflamed through physical ... the blood work for inflammation does show reactivity and the rib cage is swollen, something that is not present with costochondritis.