A.coronarartery B.internalthoracicartery C.pulmonaryartery D.posteriorintercostalarteries E.thoracicaorta
A.diaphragm B.costomediastinalrecess C.intercostalesinterni D.sinuatrialnode E.pectoralismajor
A.bronchi B.esophagus C.thoracicduct D.thymus E.trachea