Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Comparison is made to radiograph dated ___ . Single AP semi-erect chest radiograph demonstrates low lung volumes . Again noted is air-filled and distended stomach projecting across the midline and under the right hemidiaphragm . Hazy opacity projects over the left upper lobe obscuring the left heart border and in the retrocardiac region . The right lung is grossly clear . Heart appears stable in contour relative to prior examination . No overt pulmonary edema . There is no large pleural effusion .
    OUTPUT:
    
1 . Hazy opacity projects over the left lower lung for which aspiration or alternatively early pneumonia can not be excluded . 2 . Air-filled and distended stomach appears somewhat more distended compared to prior study dated ___ .