A.mediastinum B.thoraciccavity C.pericardialcavity D.pleuralcavity E.sternalangle
A.coronarartery B.internalthoracicartery C.pulmonaryartery D.posteriorintercostalarteries E.thoracicaorta
A.diaphragm B.costomediastinalrecess C.intercostalesinterni D.sinuatrialnode E.pectoralismajor