Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There is hilar congestion , without evidence of frank pulmonary edema . There is no focal consolidation , effusion , or pneumothorax . The heart size is mildly enlarged . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen . A gallstone is noted in the upper abdomen .
    OUTPUT:
    
Mild cardiomegaly and hilar congestion , without evidence of frank pulmonary edema . No convincing evidence for pneumonia .