Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left subclavian catheter line is seen projecting within the SVC . A nasogastric tube projects over the gastric fundus . As compared to most recent prior exam , there has been no significant change . There is stable mild cardiomegaly . There is no evidence of pneumonia . There are no pleural effusions or pneumothorax .
    OUTPUT:
    
Stable chest examination with no evidence of pneumonia .