Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right lower lobe nodule is indistinct on today 's study . The lungs are otherwise clear . An azygos lobe and fissure are incidentally noted . Mild cardiomegaly is stable . There is no pneumothorax . There is no pleural effusion . Pulmonary vascularity is normal .
    OUTPUT:
    
No acute cardiopulmonary process .