Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . Mild calcification in the aortic knob is noted . Small area of consolidation is seen in the retrocardiac portion of the left lower lobe . Mild bronchial wall thickening and scattered right lower lobe nodular opacities are seen . The above findings likely represent aspiration or developing infection . There is dextroconvex scoliosis of the thoracolumbar spine . Extensive emphysema is seen in both lungs . There is no pulmonary edema .
    OUTPUT:
    
Bibasal lung findings , most likely due to aspiration or or developing infection