Which lobe is involved with atelectasis if on the lateral chest radiograph the minor and major fissures approximate one another?

Question

Quizplus · Accepted Answer

The right middle lobe is involved in atelectasis when on the lateral chest radiograph the minor and major fissures approximate one another. This is because the right middle lobe is anatomically positioned between these fissures, and its collapse would cause them to move closer together.

Which Lobe Is Involved with Atelectasis If on the Lateral