Table 2.

Lymph nodes and their drainage area.

Lymph Node Group	Drainage
Occipital	Posterior scalp
Posterior auricular	Temporal and parietal scalp
Preauricular	Anterior and temporal scalp, anterior ear canal, conjunctiva
Parotid	Midface, middle ear, parotid gland
Jugulodigastric	Tonsillar
Submandibular	Cheek, nose, lips, tongue, gums, buccal mucosa
Submental	Lower lip, floor of mouth, anterior tongue
Superficial cervical	Lower ear and parotid, lower larynx, lower ear canal
Deep cervical	Occipital scalp and posterior neck, ear, tongue, trachea, nasopharynx, thyroid, palate, nose, esophagus, paranasal sinuses
Supraclavicular	Right side: mediastinum, lungs Left side: abdomen
Deltopectoral	Arms
Axillary	Arm, breast, thorax, neck
Epitrochlear	Medial side of arm below elbow
Inguinal	Lower extremity, genitalia, buttock, abdominal wall below umbilicus
Popliteal	Lower leg