For example, cancer of the thyroid gland may cause symptoms due to compressions of certain structures of the head and neck; pressure on the laryngeal nerves may cause voice changes, narrowing of the windpipe may cause stridor, pressure on the gullet may cause dysphagia and so on.
For example, thyroid cancer may present with symptoms due to compressions affecting certain head and neck structures; pressure on laryngeal nerves might result in voice changes, constriction of the windpipe can lead to a hoarse sound, and pressure on the esophagus can cause swallowing difficulties.