At the head and neck unit, our patient underwent a biopsy that showed a cervical lymph node metastasis of a neuroendocrine small-cell carcinoma from pulmonary origin (Figures 1 and 2) (The immunocytochemical study had demonstrated that tumor cells were positive to synaptophysin, chromogranin, CK7, and TTF1. This evidence concerns the gene TTF1 and neoplasm.