Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided pacemaker device is noted with leads terminating in the right atrium and right ventricle . The cardiac silhouette size is normal . Aortic knob is calcified . Mild tortuosity of the thoracic aorta is seen . The mediastinal contours are unremarkable . Mild interstitial pulmonary edema is noted . A new moderate to large right pleural effusion is present , which appears to be partially loculated laterally . No pneumothorax is detected . Right basilar opacification likely reflects compressive atelectasis . There are no acute osseous abnormalities .
    OUTPUT:
    
1 . Mild interstitial pulmonary edema . 2 . Moderate to large right pleural effusion which is partially loculated . 3 . Right basilar opacity which likely reflects compressive atelectasis .