Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are persistently low . There has been interval increase in size of the cardiomediastinal silhouette consistent with increasing cardiomegaly or small pericardial effusion , although there is no radiographic evidence of tamponade . Mild pulmonary edema is increased from prior study . A small left - sided effusion is unchanged . There is no pneumothorax . A right internal jugular central venous catheter , left internal jugular dialysis catheter , endotracheal tube and upper enteric tube remain in unchanged position .
    OUTPUT:
    
Increased size of the cardiac silhouette suggestive of pericardial effusion without radiographic evidence of tamponade . Mildly increased pulmonary edema .