Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable chest radiograph was provided . The endotracheal tube projects in the upper trachea , appropriately positioned approximately 4 .1 cm from the carina . A right central venous line projects in the mid trachea . Median sternotomy wires are intact . There is no focal consolidation or pneumothorax . A small right pleural effusion is present . There is mild pulmonary vascular congestion . The cardiac silhouette is enlarged . The bones are intact .
    OUTPUT:
    
1 . Standard positioning of lines and tubes . 2 . Mild pulmonary vascular congestion . 3 . Enlarged cardiac silhouette .