E. Humeral part of the great pectoral muscle.
F. Biceps muscle.
G. Coraco-brachialis muscle.
H. Thoracic half of the lesser pectoral muscle.
I. Thoracic half of the greater pectoral muscle.
K. Coracoid attachment of the lesser pectoral muscle.
K*. Coracoid process of the scapula.
L. Lymphatic glands.
M. Serratus magnus muscle.
N. Latissimus dorsi muscle.