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Figure 2: Anteroposterior chest radiographs showing completely expanded left lung following tracheal reintubation and on mechanical ventilation (left image), following tracheal extubation with continuous positive airway pressure (middle image) and on nasal prongs (right image)

Figure 2: Anteroposterior chest radiographs showing completely expanded left lung following tracheal reintubation and on mechanical ventilation (left image), following tracheal extubation with continuous positive airway pressure (middle image) and on nasal prongs (right image)