Receives drainage from skin and muscles of the anterior neck. Drains to the thoracic duct. Tracheal esophageal groove nodes and delphian node. Abnormal delphian node is often an indicator subglottic laryngeal cancer extension. This group receives drainages from hypopharynx, larynx, thyroid, and esophagus.
Drainage is then to the thoracic duct.
Internal jugular below carotid bifurcation to omohyoid. Tracheal esophageal groove and superior mediastinum. Greater than 1 centimeter elsewhere. Regardless of size. Regardless of size.