Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The lungs are clear of confluent consolidation . Linear opacity in the left lower lung there is suggestive of atelectasis . There is no effusion or edema . The cardiac silhouette is enlarged but stable in configuration . No acute osseous abnormality detected .
    OUTPUT:
    
Cardiomegaly without acute cardiopulmonary process .