Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs relatively hyperinflated , suggesting chronic obstructive pulmonary disease . Costochondral calcifications are seen bilaterally without definite focal consolidation . 5 mm rounded nodular opacity at the right lung base could represent a vessel on end , but pulmonary nodules not excluded . Mild bibasilar atelectasis . No pleural effusion or pneumothorax . Cardiac silhouette is top - normal . Mediastinal contours are unremarkable .
    OUTPUT:
    
Hyperinflated lungs suggesting chronic obstructive pulmonary disease without definite focal consolidation . 5 mm rounded nodular opacity at the right lung base could represent a vessel on end , but pulmonary nodules not excluded . Recommend a follow - up nonemergent chest CT for further assessment .