Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Allowing for decreased lung volumes compared with the immediate prior study , overall appearance is slightly improved . Minimal asymmetric left lung opacification has improved compared with the prior study . There is no focal consolidation , pulmonary edema , or pneumothorax . Small bilateral pleural effusions are present .
    OUTPUT:
    
Low lung volumes . No focal consolidation . Persistent mild left lung opacification is overall improved from ___ .