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(a–c) HIV/AIDS related Pneumocystis carinii pneumonia. (a–c) CT scanning demonstrates multiple fibrous cords liked shadows in lungs, multiple patchy parenchyma shadows and ground glass liked density shadows in both upper lobes, with multiple transparent areas in them. The bronchial walls are thickened in the anterior and posterior segments of the right upper lobe as well as in the lingual segment of the left lung
