Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left Port - A - Cath terminates in the low SVC . The lungs are normally expanded and clear . Moderate cardiomegaly is unchanged since ___ . There is mild pulmonary vascular congestion without frank pulmonary edema . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Unchanged moderate cardiomegaly . No evidence of pneumonia . No pulmonary edema .