The part of the body between the neck, upper limbs and abdomen
bones: thoracic vertebrae, ribs, sternum
muscles: intercostals, transversus thoracis diaphragm
viscera: trachea, bronchi, lungs, pleurae, heart, pericardium, thymus
arteries: descending thoracic aorta, internal thoracic artery, anterior intercostal arteries, posterior intercostal arteries
nerves: intercostal nerves, subcostal nerve, vagus nerve, phrenic nerve, thoracic splanchnic nerves