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A 5-year-old patient with severe expanding pneumococcal pneumonia. (a) Note “white hemithorax” on the left with increased volume causing mediastinal shift to the right. (b) After a single course of left IV methylprednisolone. Significant improvement in the aeration of the left lung with residual consolidation above the diaphragm. (c) A clinical and radiologic deterioration. (d) Improved aeration of the left lung after a second course of IV steroids.
