Modality: X-ray (Frontal)

- “ An inferior accessory fissure is an incidental finding and normal anatomical variant seen on <10% of frontal chest x-rays.  ”

Used in the following article:

  • Accessory fissures of the lung - “ Accessory fissures of the lung usually occur at the borders of bronchopulmonary segments. They are common normal variants but are less commonly se...”
  • Inferior accessory fissure of the lung - “ The inferior accessory fissure of the lung, also known as Twining's line, divides the medial basal bronchopulmonary segment from the rest of the l...”

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