Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Midline sternotomy wires , AICD and LVAD again noted . The LVAD appears in unchanged position . Feeding tube and PICC line has been removed . The heart remains stably enlarged . The right lung is clear . Apparent blunting of the left CP angle could reflect small left pleural effusion . Mediastinal contour is stable . No pneumothorax . Bony structures intact .
    OUTPUT:
    
Stable cardiomegaly with probable left pleural effusion . LVAD in place .