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Figure 3: (a) Oblique axial view of CTA. (b) Virtual bronchoscopy reformat image, anterior oblique projection view, showing a small air-filled diverticular out pouching (yellow arrow) arising from the anterosuperior wall of the right main bronchus (RtB) and is directed anteriorly and superiorly. (Lt B, left main bronchus; Tr, trachea)

Figure 3: (a) Oblique axial view of CTA. (b) Virtual bronchoscopy reformat image, anterior oblique projection view, showing a small air-filled diverticular out pouching (yellow arrow) arising from the anterosuperior wall of the right main bronchus (RtB) and is directed anteriorly and superiorly. (Lt B, left main bronchus; Tr, trachea)