Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is stable . There is mild pulmonary vascular congestion . Again seen is mediastinal fat and pleural thickening at the left lung base . There is no pneumonia or atelectasis . There is no pneumothorax .
    OUTPUT:
    
Mediastinal fat and pleural thickening at the left lung base . No evidence of pneumonia or atelectasis .