Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Mild cardiomegaly is re - demonstrated . The mediastinal and hilar contours appear unchanged . Pulmonary vasculature is not engorged . Streaky opacities in the lung bases are compatible with areas of atelectasis . No focal consolidation , large pleural effusion or pneumothorax is identified , however the left costophrenic angle is excluded from the field of view . A TIPS catheter is seen within the right upper abdomen as well as biliary stents . Embolization material is seen within the left upper abdomen . No acute osseous abnormalities are detected .
    OUTPUT:
    
Bibasilar atelectasis . No pulmonary edema or focal consolidation to suggest pneumonia .