Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is interval decrease of preexisting right basilar opacity which may represent pneumonia versus infarction versus a combination of both entities . The right and left pulmonary arteries are dilated in response to bilateral pulmonary infarcts confirmed by most recent CT from ___ . Prominent opacity in the right hilar region corresponds to lymphadenopathy seen on most recent CT . No pneumothorax is seen . Patient is status post CABG and mitral valve replacement . The heart is mildly enlarged . Sternotomy wires are intact .
    OUTPUT:
    
1 . Interval decrease of right basilar opacity representing pneumonia versus infarction versus a combination of both . 2 . Dilated right and left pulmonary arteries in the setting of pulmonary embolism .