fig2
Figure 2. Examples of ENE on CT: (A) macroscopic ENE of a Level 2 lymph node in a patient with HNSCC with invasion of the sternocleidomastoid muscle and subcutaneous fat tissue (arrow); and (B) less extensive (minor) ENE of a Level 2 lymph node in another patient with HNSCC with subtle infiltration of adjacent planes (arrow).
