ANATOMY OF THORASIC WALL The thorax is the upper part of the trunk, which consists of: a) External musculoskeletal cage (The thorasic wall) ; and b) Internal cavity (That contains heart, lungs, oesophagus, trachea, thymus etc.) Surface Anatomy of Thorasic Wall There are several landmarks and imaginary line to facilitate anatomical descriptions, identification of parts/ areas and to describe lesions and perform dissection. Some of the important landmarks relevant forensic pathologist/ expert are