If you want to know whether you are suffering from costochondritis, you can check whether there is localized swelling and pain, the location of the swelling and pain, and relevant imaging tests. Costal chondritis is a chronic non-specific inflammation of the rib cartilage, which can be seen in chest trauma, long-term rib strain, viral infection and other factors, resulting in localized edema of the rib cartilage and thickening of the cartilage. Clinical symptoms include localized pain, localized pain is very obvious, can be intermittent pain for several months, the location of the pain is usually in the chest, most of them are in the 2nd-4th rib cartilage, the most common is the 2nd rib cartilage, the pain may also be radiated to the back of the scapula, the upper arm, the armpit. Localized pressure and localized swelling may accompany the pain. In addition to the clinical manifestations, further investigations, such as X-ray, CT, MRI, etc., are needed to ultimately clarify the location and nature. When you suspect that you are suffering from costochondritis, it is recommended that you seek medical treatment in time to avoid delaying your condition.