Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal lateral views of the chest . A right central venous line ends in the low superior vena cava . There are median sternotomy wires and a prosthetic aortic valve . There is no focal consolidation , pulmonary edema or pneumothorax . There are small bilateral pleural effusions . There is mild cardiomegaly . Pneumomediastinum is resolving .
    OUTPUT:
    
Small bilateral effusions . No focal consolidation .