Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Large rounded opacity has developed in the right upper , mid chest since prior , worrisome for fluid , possibly hemorrhage , possible component of consolidation or atelectasis . Mild left pleural effusion is stable . Stable mild left basilar atelectasis . Increased heart size . Normal pulmonary vascularity , improved . Valve prosthesis . Endotracheal tube tip in good position . 2 enteric tubes terminate well below diaphragm . Chest tubes . Right IJ central line tip in the low SVC near cavoatrial junction . Left IJ central line tip in the upper SVC . No pneumothorax .
    OUTPUT:
    
Large rounded opacity right upper chest , worrisome for blood products given clinical history . There may be component of lung atelectasis . .