Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is no pleural effusion , pneumothorax , or focal airspace consolidation to suggest pneumonia . The previously mentioned right upper lung nodular density is not as conspicuous on this study and may be obscured by oxygen tubing . The heart size is top normal , and the mediastinal contour is unremarkable . A mild amount of atherosclerosis is seen within a somewhat tortuous aorta .
    OUTPUT:
    
No acute cardiopulmonary process .