Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Upper lungs are clear ; lower lungs are partially obscured by elevated diaphragm . No pleural effusion or pneumothorax is seen . The note , there is a uniform opacity in the left upper quadrant which displaces bowel medially suggestive of a large spleen .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Possible splenomegaly . Recommend correlation with physical exam .