Presentation
Incidental normal variant
Patient Data
Age: 20
Gender: Female
From the case:
Twining's line (inferior accessory fissure: lung)
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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.