Fig. 7From: Predictive value of neck imaging reporting and data system (NIRADS) in CECT/CEMRI of laryngeal and oral cavity squamous cell carcinomaNI-RADS 2 and 3 neck. a Axial pretreatment CET1WI shows left level II malignant LN with central necrosis (arrow) metastatic from tongue SCC (not shown). b First, a follow-up scan shows residual LN with central breaking down matching NI-RADS 3 neck category. c Second, a follow-up scan shows regression of the nodal disease with no morphological abnormality in the residual node matching NI-RADS 2 neckBack to article page