Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright chest radiograph ___ at 09 :08 is submitted .
    OUTPUT:
    
There is a persistent left basilar opacity with an associated small pleural effusion which would be concerning for pneumonia or aspiration in the correct clinical setting . Lower lobe atelectasis could also have this appearance . Clinical correlation is recommended . Streaky opacities at the right base in the setting of the low lung volumes suggests atelectasis . No pneumothorax . No pulmonary edema . Given the low lung volumes , it is difficult to assess the cardiac and mediastinal contours for any interval change .