Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is moderately enlarged . Allowing for AP portable technique , the mediastinal and hilar contours are probably within normal limits aside from noting mildly prominent central pulmonary vascularity as well as tortuosity of the descending aorta . Opacification of the left costophrenic sulcus may be seen with a pleural effusion . There are mildly prominent indistinct pulmonary vascularity suggesting mild vascular congestion .
    OUTPUT:
    
Findings suggesting very mild congestion . Moderate cardiomegaly . Opacification of the left costophrenic sulcus , suspected to reflect a pleural effusion , likely small to moderate in size .