Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are lower when compared to prior exam . The lungs are grossly clear without focal consolidation , effusion , or edema . Linear left basilar opacity is most compatible with atelectasis . Moderate cardiac enlargement is unchanged . Hypertrophic changes are noted in the spine . There is fusion of the anterior right first and second ribs .
    OUTPUT:
    
Cardiomegaly without superimposed acute cardiopulmonary process . No focal consolidation .