# publisher
Agence du Numérique en Santé(ANS) -2 - 10 Rue d'Oradour-sur-Glane, 75015 Paris

# compose.include[].concept[].display
pN1a: Nodal metastases to Level VI (pretracheal, paratracheal and prelaryngeal/Delphian) lymph nodes

# compose.include[].concept[].display
pN1b: Metastases to unilateral, bilateral or contralateral cervical (Levels I, II, III, IV,V) or retropharyngeal or superior mediastinal lymph nodes (Level VII).