Submandibular nodes are classified as
Level 1A =Submental Node Level1B = Submandibular nodes, lie between the anterior and posterior bellies of digastric muscle and the lower border of mandible. Level II=Upper Jugular Nodes Level III=Middle Jugular Nodes Ref: Textbook of ENT; Dhingra; 6th edition; Page no: 387; Table 76 ref img
Level 1 A neck nodes
Level 1B neck nodes
Level II neck nodes
Level III neck nodes
Miscellaneous ENT