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Radiographic findings of children with H1N1 pneumonia. (A) This chest X-ray shows atelectasis of the left upper lobe and consolidation in the left lower lobe. The mediastinal structure was markedly shifted toward the left side. (B) A chest CT scan demonstrates massive atelectasis of the left upper lobe, mediastinal shift to the left side, and pneumonic consolidation and pleural effusion in the left lower lobe.
