Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is improved aeration at the left lung base which is now clear besides minimal linear opacity which is likely atelectasis . There is no focal consolidation , effusion , or edema . There is mild cardiomegaly . Median sternotomy wires are noted . Surgical clips project over the right axilla . No acute osseous abnormality .
    OUTPUT:
    
No acute cardiopulmonary process .