Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate a normal cardiomediastinal silhouette and relatively well - aerated lungs . There are dependent linear opacities , likely atelectasis bilaterally , without definite focal consolidation . No pleural effusion or pneumothorax is seen . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
Bibasilar opacities likely represent atelectasis . No focal consolidation to suggest pneumonia .