deltopectoral lymph nodes deltopectoral lymph nodes one or two deltopectoral lymph nodes (or infraclavicular nodes) are found beside the cephalic vein, between the pectoralis major and deltoideus, immediately below the clavicle. deltopectoral lymph nodeslymphatics of the mamma, and the axillary glands. (deltoideopectoral glands labeled at upper left.)regional lymph tissue. (infraclavicular labeled at upper left.)detailssystemlymphatic systemdrains toapical lymph nodesidentifierslatinnodi lymphoidei deltopectoralesta98a13.3.01.009ta25243fma71752anatomical terminology they are situated in the course of the external collecting trunks of the arm. additional images the superficial lymph glands and lymphatic vessels of the upper extremity.