Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable frontal chest radiograph demonstrates a new right subclavian CVL tip within the right atrium . A coil like radiopacity is seen projecting over the right lateral neck and is likely external to the patient . The lungs are well - expanded . No focal opacity . Mild linear right lower lobe atelectasis noted . No pleural effusion or pneumothorax . Heart size , mediastinal contour , and hila are otherwise unremarkable . Limited assessment of the osseous structures are within normal limits and upper abdomen is unremarkable .
    OUTPUT:
    
1 . Mild right lower lobe linear atelectasis . 2 . No evidence of pneumonia . 3 . Right subclavian CVL tip within right atrium .