Twining's line (inferior accessory fissure: lung)

Case contributed by Hani M. Al Salam
Diagnosis not applicable


Incidental normal variant

Patient Data

Age: 20
Gender: Female

Inferior accessory fissure of the right lung.

Case Discussion

The inferior accessory fissure, also known as Twining's line, divides the medial basal bronchopulmonary segment from the rest of the lower lobe.

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