Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright view of the chest provided . Right lower lobe opacity may represent aspiration . There is no effusion or pneumothorax . There is moderate pulmonary vascular congestion , right greater than left . Cardiomegaly is mild . Tortuous aorta is similar to prior . Imaged osseous structures are intact . Severe scoliosis is similar to prior . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
Right lower lobe opacity may represent aspiration .