How to identify normal lung anatomy on chest CT

When air is inhaled through the nose or mouth, it travels down the trachea to the bronchus, where it first enters the lung

Each lung has three surfaces The medial or mediastinal surface is marked by the hilum where the bronchi and blood vessels enter; the concave inferior suface

lung anatomy The right lung is divided into three lobes—the upper, middle, and lower lobes, separated by two fissures The oblique fissure separates

lungs The right lung consists of 3 lobes , while the left lung consists of 2 lobes and the lingula, a structure