Fig. 2
From: Consensus based recommendations for diagnosis and medical management of Poland syndrome (sequence)
Sagittal parasternal with the upper edge of the probe on the clavicle. Probe on the sagittal axis of the clavicle, immediately lateral of sterno-clavicular joint: at the upper edge of probe there is the clavicle (cl) where clavicular component of pectoral major (p1) takes origin; a cleavage plane (arrow head) with the sterno-costal component (p2) is visible. Starting from the midportion of the clavicle and continuing laterally, the subclavius muscle (sb) is identified underneath the bone, parallel to the long axis of clavicule, crossed below by axillary artery (*) and vein (collapsed in the image) and brachial plexus cord