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There are a few differences between the two lungs:
- The right lung is larger in volume than the left lung, with a larger transverse dimension (due to the heart on the left) but a shorter longitudinal dimension (due to the liver causing the right hemidiaphragm to be higher than the left).
- The right main bronchus also differs to the left main bronchus, as it is longer, larger caliber and more vertical.
- The right lung has 2 fissures: the oblique and horizontal fissures.
- The right lung contains 3 lobes and 10 bronchopulmonary segments:
- right upper lobe
- right middle lobe
- right lower lobe
For a detailed description of lung anatomy and function, see the lung article here.