Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate normal lung volumes . There is no pleural effusion , focal consolidation or pneumothorax . Hilar and mediastinal silhouettes are unremarkable . The right cardiac silhouette is well defined and appears enlarged . There is no pulmonary edema .
    OUTPUT:
    
Right cardiac border is well defined and appears enlarged , which may reflect right atrial enlargement or a pericardial cyst formation . Further assessment with cardiac echo can be considered , as clinically indicated .