At the time of surgery, a well-encapsulated, lobulated, white fleshy mass was removed from the left thyroid lobe, weighing 53.1 grams and measuring 7.3 x 4.4 x 3.0 cm. Representative histologic ...

Early-onset head and neck squamous cell carcinoma (HNSCC) has been increasingly observed in recent years, exhibiting distinct tumor behavior and a unique tumor microenvironment (TME) compared to older ...