Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are well aerated and grossly clear . There is no focal consolidation , pulmonary edema , or pneumothorax . Subtle right residual pleural effusion is noted . The cardiomediastinal silhouette and hilar contours are stable .
    OUTPUT:
    
No evidence of acute cardiopulmonary process . Decreased right pleural effusion .