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CT images. (A and B) Mediastinal window: (A) a mass (white arrow) in the right sublingual gland, and (B) a well-circumscribed nodule (white arrow) with relatively homogeneous enhancement in the lower lobe of the left lung. (C and D) Lung window: (C) a well-circumscribed nodule (black arrow) same as (B), and (D) another smaller nodule (black arrow) in the lower lobe of the left lung.
