Costochondritis mainly manifests as pain in the anterior part of the chest and pain on pressure, which can be radiated to the cervical chest, back, and armpit, and redness, swelling, heat, and pain of the local skin will occur when combined with infection. Costochondritis can be secondary to viral infection, trauma, chronic strain of the ligaments of the thoracic and rib joints, etc. Depending on the cause of the disease, the manifestation of the symptoms are not the same, but all of them can be manifested as pain in the anterior part of the chest and pain on pressure, which can be radiated to the cervical thorax, the back, and the armpits. Some cases of costochondritis may present with chest tightness, which is aggravated by coughing and deep breathing. Infectious or purulent costochondritis can be manifested as persistent redness, swelling, heat and pain in the lesion area, and in severe cases, there will be generalized fever and other symptoms. Chondromalacia is a pathologic change and should be treated by a doctor, such as thoracic surgeon or orthopedic surgeon.