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L2:
posterior to pectoral minor muscle
CRANIAL:
Where the axillary vessels cross the medial edge of pectoral minor
CAUDAL:
Caudal border pectoral minor
ANT:
Pectoralis minor
POST:
Ribs and intercostal muscles
LAT:
Lateral border pectoral m
MEDIAL:
Medial border pectoral m
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