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Fig. 1A 27-year-old healthy male volunteer with enlarged node at level I.
Axial T1-weighted (TR/TE, 550/10) MR microimage shows homogeneous parenchyma
(arrow) associated with hilum structures containing fat tissue and
blood vessels (arrowheads). M = mandible, SMG = submandibular gland.
Scale bar indicates 1 cm.