Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Analysis is performed in direct comparison with the next preceding similar study of ___ . The on previous examinations identified hazy pneumonic infiltrates in the left upper lobe lingula and in the lateral segment of the left lower lobe have cleared up completely . Presently no evidence of acute infiltrates are remaining . General appearance of lungs with low positioned and flattened diaphragms , irregular distribution of pulmonary vasculature on the periphery with increased interstitial markings mostly on the left base remain and are rather typical for advanced COPD . No pneumothorax in the apical area .
    OUTPUT:
    
Resolution of previously identified pneumonic infiltrates in left upper and lower lobe .