Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Marked cardiomegaly is again seen . Retrocardiac opacity is concerning for aspiration / pneumonia . The right lung appears clear . There may be a small left pleural effusion . Kyphotic angulation of the spine somewhat limits evaluation . No large pneumothorax . Bony structures are intact . 2 projects over the upper abdomen .
    OUTPUT:
    
Cardiomegaly with retrocardiac opacity concerning for aspiration / pneumonia . Probable small left pleural effusion .