NAVLE® Question of the day

MO TU WED TH FR
January 9, 2024
NAVLE

A 12-year-old female spayed Labrador Retriever dog is presented for dental cleaning.

After she is induced under general anesthesia, her pulse oximetry drops below normal at 91%.

Thoracic radiographs show the following changes (see images below).

What is the most clinically significant finding evident on thoracic radiographs from this dog?