A total of 336 patients who underwent parotid gland mastectomy in Nanchong Central Hospital from January 2015 to December 2022 were retrospectively analyzed. The clinicopathological and ultrasound ...

In both groups, parotid and submandibular glands were evaluated by ultrasound and tissue stiffness was determined ... glandular homogeneity, ductal changes, or mass lesions, and those showing ...