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There is an echogenic focus with acoustic shadowing in the distal end of the left submandibular duct; measuring about 4 mm. The left submandibular gland shows enlargement, heterogeneous hypoechogenesity, dilated intraglandular ducts and hypervascularity. There is no parenchymal mass lesion.
The right submandibular gland and superficial lobes of the both parotid glands show a normal echopattern.
The rest of the neck examination was normal.