ClavicleCoracoid processHumerusAnterior axillaryskin foldAnterior wallPosterior wallMedial wallLateral wallNeurovascular bundleSerratus anteriormuscleLong thoracic nerveAxillaDeltoid musclePectoralis major muscleCephalic veinClavipectoral triangleFloor of axillaOpening ofaxilla into armAnterior axillary skin foldPosterioraxillary skin foldABCD