main group : 1 ) external mammary nodes along the lateral thoracic vessels , 2 ) scapular nodes along the subscapular vessels , 3 ) brachial vein nodes , 4 ) axillary vein nodes , 5 ) interpectoral nodes along the pectoral branches of the thoracoacromial vessels between the major and minor pectoral muscles ( subtype : interpectoral nodes close to the origin of the thoracoacromial artery ) , 6 ) central group in the center of the axilla , and 7 ) infraclavicular group located along the axillary and subclavicular veins medial to the pectoral branches of the thoracoacromial vessels .
C0229840
brachial
C0004454
axillary