Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Sternotomy wires are intact . Lung volumes are low , exaggerating bronchovascular markings . Top - normal heart size and cardiomediastinal contours are stable . Calcification of the aortic knob is stable . Bibasilar opacities , larger on the right , are consistent with atelectasis although infection is not excluded . Tiny right pleural effusion . No lobar consolidation or pneumothorax .
    OUTPUT:
    
Bibasilar opacities consistent with atelectasis . Infection could be considered in the appropriate clinical setting .