Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a right - sided PIC line which terminates in the low SVC . Moderate cardiomegaly is persistent compared to multiple prior exams dated back to ___ . Mild bibasilar atelectasis is persistent . There may be mild perihilar vascular congestion . There is no large pleural effusion or pneumothorax . The visualized osseous structures are unremarkable .
    OUTPUT:
    
Mild pulmonary vascular congestion . Persistent mild bibasilar atelectasis .