What is the most common presenting symptom in thyroid cancer?

The most common presenting symptom in thyroid cancer is a neck mass or nodule. This typically manifests as a palpable lump in the neck, which may be discovered incidentally during a physical examination or imaging study. The thyroid gland is located in the anterior neck, making any enlargement or abnormality readily noticeable during routine examinations.

In many cases, individuals with thyroid cancer may not present with significant symptoms until the tumor has enlarged enough to be felt as a distinct mass. While other symptoms such as hoarseness, difficulty swallowing, and weight loss can occur, they tend to arise in more advanced stages of the disease or in specific contexts. The neck mass serves as a key clinical finding that prompts further evaluation and diagnostic workup for thyroid malignancies. Therefore, when considering the frequency and typical presentation, a neck mass or nodule is the most common and serves as a pivotal indicator for suspected thyroid cancer.