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case_images: A CT scan of the neck revealed metastasis in the right lymph node of the neck level IV and the right lymph node of the neck level VB.
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case_images: A multislice computed tomography (CT) of the neck showed enlarged right neck lymph nodes (levels IV and VB), highly suggestive of metastatic disease (Fig. 1).
case_images: A chest CT scan showed a left hilar tumor with metastases in the mediastinal lymph nodes.
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case_images: Several micronodules measuring up to 9 mm in both lungs indicated intrapulmonary spread (Fig. 2).
case_images: Positron emission tomography/computed tomography (PET/CT) revealed a complete metabolic response without signs of metabolically active disease.
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case_images: One month after the completion of maintenance therapy with atezolizumab in March 2021, a PET/CT scan was performed, revealing no metabolically active disease (Fig. 3).