Parotid tumors are abnormal growths in the parotid gland, which is the largest salivary gland in the human body. It is located in front of the ear and extends to the angle of the jaw. This gland plays an important role in producing saliva, which helps in digestion and keeping the mouth moist. The parotid gland develops early in the embryo along with lymph nodes and the facial nerve. Because of...