Clinical data: a 53-year-old woman was referred for an evaluation because of a newly discovered lump in the neck and cough lasting for 6 months.

Palpation: a hard, not freely moveable nodule in the ventral part of the right lobe and enlarged almost fixed lymph nodes in the right side of the neck.

Functional state: euthyroidism (TSH 1.03 mIU/L).

Ultrasonography: a hypoechogenic nodule within the right lobe, and multiple hypoechogenic lesions in the right side of the neck.

Cytological report: malignant tumor corresponding to metastasis of small cell lung cancer (both from the thyroid and the neck lymph node).

The patient was sent to pulmonology. Bronchoscopy revealed a tumor which proved to be a small cell lung cancer on cytology.