According to the TNM staging system by the American Joint Committee on Cancer, there are four stages of<unk>  gland cancers based on the tumor size, lymph nodes involved, and metastasis.
Salivary gland tumor staging
Anaplastic thyroid cancer staging
Salivary gland tumor surgery
Medullary thyroid cancer staging
Laryngeal cancer staging
Tongue cancer staging
Oral cancer staging
Brain tumor staging