Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . There is bilateral hilar indistinctness consistent with central vascular engorgement but no overt pulmonary edema . Patchy opacities in the right cardiophrenic angle as well as in a paramediastinal location in the left mid lung are seen . Loss of definition of the vessels in the retrocardiac region is also apparent . There is no pleural effusion or pneumothorax . Moderate cardiomegaly is unchanged from prior .
    OUTPUT:
    
1 . Patchy opacities in both lungs as previously described may be de to infection in the appropriate clinical setting . PA and lateral chest radiographs would aid in further assessment if the patient can tolerate it . 2 . Bilateral hilar engorgement without overt pulmonary edema .