Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view chest . The lungs are clear of confluent consolidation . There is no large effusion noting that the lateral costophrenic angles are not completely included on the field of view . Cardiac silhouette is slightly enlarged and aorta is tortuous . No acute osseous abnormality detected .
    OUTPUT:
    
No definite acute cardiopulmonary process . Cardiomegaly and tortuous aorta .