Superior lobe of left lung; contains 4 to 5 segments
Expansion
Left Upper Lobe
Purpose
Assess for apical tuberculosis, primary malignancy, pneumonia
Clinical Context
Left upper lobe: apical-posterior, anterior, superior lingula, inferior lingula. More segments than right upper lobe due to lingular subdivision.
Related Terms
- Left lower lobe
- Lung segments
Key Points
- Left upper lobe contains lingula (analogous to right middle lobe); left upper lobe pneumonia common in aspiration or pneumonia