Right Lung (SIV), Lateral Segment Anatomy in 3D

A part of the right middle lobe. This segment is a common site for "Middle Lobe Syndrome," where the airway becomes blocked by a swollen lymph node, causing chronic pneumonia.

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Related structures

Right Lung (Middle Lobe) Right Lung (SV), Medial Segment Right Lung, Horizontal Fissure Right Lung BIV (Lateral Segmental Bronchus) Lung, Inferior Border Lung, Interlobar Surface Right Lung (SI), Apical Segment Right Lung (SII), Posterior Segment