Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a new opacity at the lateral right upper lung . Remainder of the lungs are clear . Heart size is normal . The mediastinal and hilar contours are normal . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Right upper lobe opacity , presumed pneumonia . Pulmonary infarct is not excluded if there is high clinical suspicion for pulmonary embolism .