Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Prior right - sided dual - lumen venous catheter is no longer visualized . There is a right basilar opacity silhouetting the lateral portion of the hemidiaphragm . There is pulmonary vascular congestion without overt edema . The lungs are otherwise clear . The cardiac silhouette is mildly enlarged
    OUTPUT:
    
Right lower lobe opacity suspicious for infection . Moderate cardiomegaly and pulmonary vascular congestion . Followup after treatment suggested to document resolution .