Merck Manual

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Dilatation of the esophagus, ventrodorsal view, dog
esophagram-ventrodorsal-dog-defarges-sized
Dilatation of the esophagus, ventrodorsal view, dog

    Contrast esophagram demonstrating dilatation of the esophagus (megaesophagus) in a dog, ventrodorsal projection.

Courtesy of Dr. Ronald Green.