TNM Staging Guide 5th Edition eBook

FIGURE 6 SND (Level VI) or central neck dissection.

VI

II

B

I

B

II

I

A

A

FIGURE 7 SND (Levels I–III) or supraomohyoid neck dissection.

III

II B

II A

FIGURE 8 SND (Levels II–IV) or lateral neck dissection.

III

IV

40 TNM Staging of Head and Neck Cancer and Neck Dissection Classification