adiolusРXiphoid processРAnterior landmarkРSternal angle (louis angle)?Costicartilage of second rib?Bronchial bifurcation?The superior edge of cardiac atrium?The junction of upper and lower mediastinum?The level of fifth thoracic vertebrae posteriorРPosterior landmarkРThe scapular angle? sit or stand, arms at the side—seventh rib or interspace or the level of eighth thoracic vertebra?The seventh cervical vertebral spine? prominently protrudingРScapulae angleРseventh cervical vertebral spineРAnterior imaginary linesРAnterior midlineРMidclavicular lineРAnterior midline? drawn through the middle of the sternum?Midclavicular line? drawn through the middle of the clavicleРAnterior fossaeРEpigastric angleРInfraclavicular fossaРSuprasternal fossaРSupraclavicular fossaРAxillary fossaРAxillary fossa