Fig. 1From: Pulmonary veno-occlusive disease as a cause of severe pulmonary hypertension in a dogDorso-ventral (a) and left lateral (b) thoracic radiographs. Thoracic radiographs demonstrating right-sided enlargement of the cardiac silhouette and a clear dilation of the pulmonary trunk on the dorso-ventral radiograph (arrow)Back to article page