Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart and mediastinal contours are within normal limits . The lungs demonstrate a subtle streaky linear - like airspace opacity within the anterior segment of the right upper lobe . There is no pleural effusion or pneumothorax . Degenerative changes are present in the thoracic spine , primarily in the form of anterior osteophytes .
    OUTPUT:
    
Right upper lobe airspace opacity , in the appropriate clinical setting , compatible with pneumonia or aspiration , although scarring or atelectasis are possibilities ; follow - up radiography to ensure resolution is recommended .