I have a mass in my parotid gland, Is it a cyst, tumor, malignant or benign? Posted on October 2, 2016 by admin — 3 Comments ↓ I need a second opinion asap! This mass is deep in my parotid gland on facial nerve. Causes excruciating pain of jaw, teeth and ear. There is also clear fluid leaking from ear. Is it a cyst, tumor, malignant or benign?