Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Examination is limited secondary to motion . There is persistent but somewhat improved right basilar opacity medially , behind the heart . Elsewhere , the lungs are grossly clear without confluent consolidation . The cardiomediastinal silhouette is grossly unchanged .
    OUTPUT:
    
Limited exam due to motion with persistent right basilar opacity medially which could represent infection or aspiration . Consider repeat exam when patient is amenable .