Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , new heterogenous opacities are seen in the left lung base , which are concerning for pneumonia . There is mild pulmonary congestion . The heart size is normal . No hilar contour or pleural surface abnormalities are seen . No pleural effusion or pneumothorax . On this semi erect view , pneumoperitoneum can not be adequately assessed .
    OUTPUT:
    
1 . Since ___ , there are new heterogeneous opacities in the left lung base , concerning for pneumonia , and mild pulmonary congestion . 2 . Pneumoperitoneum can not be assessed on this semi-erect view radiograph .