Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded . The previously described subtle area of increased opacity in the left upper lobe has decreased in conspicuity over the interval . The cardiomediastinal and hilar contours are unchanged . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
Resolving left upper lobe pneumonia . Recommend repeat chest radiographs in 2 weeks for further evaluation . If the abnormality in the left upper lobe persists at that time , a CT should be performed for further evaluation .