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High-resolution CT (axial view) showing dilated trachea (transverse diameter of 3.21 cm at the level of D1–D2) with right posterolateral tracheal diverticula (A, black arrow), multiplanar reconstruction sagittal and coronal view (B, C) showing multiple small diverticula (black arrows) along the posterior tracheal and bronchial wall with scalloped appearance.
