Areas of auscultation in the heart should include the mitral, pulmonic, and aortic valves on the left thoracic wall and the tricuspid valves on the right thorax. (epictrial.com)
While most cranial mediastinal masses are usually thymoma or lymphosarcoma, other causes may include ectopic thyroid tissue, branchial cyst, chemodectoma, or thoracic wall tumor. (randhurstanimalhospital.com)
And these muscles attach to the scapula and they function to keep the scapula pressed against the thoracic wall, and when the trapezius is contracted they can retract the scapula. (anatomyzone.com)