Case 20 — Radiographs

Lateral thoracic radiograph showing markedly enlarged cardiac silhouette with dorsal displacement of left mainstem bronchus against the spine.
Lateral thoracic radiograph.
DV thoracic radiograph showing markedly enlarged cardiac silhouette.
DV thoracic radiograph.

Quiz

1. This dog’s left atrium is massively enlarged. Which large airway is displaced dorsally?

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