Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were provided . Lung volumes are low . Bilateral patchy opacities at the bases are likely atelectasis . There is no focal consolidation , pleural effusion or pneumothorax . Cardiomediastinal silhouette is difficult to evaluate due to poor inspiration . Osseous structures are intact . There is no free air under the hemidiaphragms .
    OUTPUT:
    
Linear opacities at the bases , likely atelectasis . Low lung volumes . No focal consolidation .