Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC tip terminates in the SVC , unchanged . Lung volumes are low . This accentuates the size of the heart which is top normal . Mediastinal and hilar contours are unremarkable . Minimal patchy bibasilar airspace opacities likely reflect atelectasis . No pulmonary vascular congestion or pleural effusion is seen . There is no pneumothorax . No acute osseous abnormalities are detected .
    OUTPUT:
    
Low lung volumes with mild bibasilar atelectasis . No evidence of pulmonary edema .