I have a mass in my parotid gland, Is it a cyst, tumor, malignant or benign? admin Posted on Posted in General, Medical Questions 3 Comments Tagged with cyst, malignant or benign, parotid gland, tumor 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?