Fig. 4.

a Malignant male tumour: urethral squamous cell carcinoma with lymph node metastases. Axial T1-weighted image after intravenous gadolinium-based contrast administration demonstrates a heterogeneously enhancing bulbomembranous squamous cell carcinoma (arrows). b Malignant male tumour: urethral squamous cell carcinoma with lymph node metastases. Axial T1-weighted image after intravenous gadolinium-based contrast administration through the pelvis in the same patient demonstrates necrotic left inguinal lymphadenopathy (arrows). The presence of multiple (>1) regional lymph node metastases upstages to stage IV