Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable semi-erect chest radiograph is obtained . There is no significant change in the middle and lower lobe pneumonia , better appreciated on recent CT . There is no increased pulmonary edema , new consolidation , or pneumothorax . Layering left pleural effusion has gotten slightly bigger . Cardiac and mediastinal contours are unchanged .
    OUTPUT:
    
No significant change in right middle and lower lobe pneumonia . Small increase in left pleural effusion .