Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Lower lung volume is seen , particularly on the frontal view . There is faint opacity at the right lateral costophrenic angle , which could be due to atelectasis . The posterior costophrenic angles are sharp , compatible with resolution of previously seen effusions . Elsewhere , the lungs are clear . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
Faint right basilar opacity laterally , potentially atelectasis given the lower lung volumes on the frontal exam . Otherwise , no acute cardiopulmonary process .