ANATOMY

Detailed explanation-1: -The long flat bone that forms the center front of the chest wall. The breastbone is attached to the collarbone and the first seven ribs. Also called sternum.

Detailed explanation-2: -The sternum is a partially T-shaped vertical bone that forms the anterior portion of the chest wall centrally. The sternum is divided anatomically into three segments: manubrium, body, and xiphoid process. The sternum connects the ribs via the costal cartilages forming the anterior rib cage.

Detailed explanation-3: -The thymus is a small organ located just behind the breast bone (sternum) in the front part of the chest.

Detailed explanation-4: -See your doctor right away if you have heart attack symptoms or symptoms that cause you sharp, consistent pain that gets in the way of your daily life. You should also see your doctor if you have any of the following symptoms: sternum and general chest pain that has no obvious cause.

Detailed explanation-5: -You can have pain in this area because of infection, inflammation, injury, or the breakdown of cartilage affecting the sternum itself. Problems with nearby organs like the heart, lungs, and esophagus can also cause pain in this area. This includes a heart attack, pleurisy (a lung inflammation), and acid reflux.