In carcinoma of lower lip secondaries are seen in:
(a) submandibular LN(Ref. Cummings, 6th ed., 1364)Nodal spread from carcinoma lower lip involves submental and submandibular lymph nodes (level 1).
Submandibular LN
Preauricular LN
Mediastinal LN
Supraclavicular LN
Oral Cavity