Generally, there is a good prognosis for low-grade tumors, and a poor prognosis for high-grade tumors, however recent research have found reoccurring low grade tumors also have a poor prognosis.
Mucoepidermoid carcinoma
Basal-cell carcinoma
Medulloepithelioma
Squamous cell carcinoma
Adenosquamous carcinoma
Epithelioma
Lymphoepithelioma
Sebaceous carcinoma