Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval apparent cardiac enlargement raising concern for pericardial effusion . Mild interstitial prominence is noted but no overt pulmonary edema is seen . There is pulmonary vascular cephalization suggestive of pulmonary venous hypertension . There is no lobar consolidation , pleural effusion , pneumothorax , or pulmonary edema .
    OUTPUT:
    
Interval cardiac enlargement raising concern for pericardial effusion , although some of this could be related to technique . Probable pulmonary venous hypertension which could be related to known sickle cell disease . Clinical correlation is recommended .