Pectus excavatum is the medical term meaning sunken-in chest.
Pneumothorax
Pectus carinatum is the medical term meaning pigeon chest.
Mastitis is the medical term meaning inflammation of the breast.
Cancer
Intrathoracic is the medical term meaning inside the chest. The heart and lungs are intrathoracic.
angina
thoracectomy (excision). The cutting into the chest, or opening of the chest, is known as a thoracotomy.
Torso
thoracostomy or CTI
Gynecomastia is the medical term meaning female-like breast growth in a man.
Upper thoracic region
Chest X-ray
The hilum is the region of lymph tissue in the chest cavity.