Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal silhouette remains moderately enlarged . There is engorgement of the pulmonary vasculature with mild interstitial opacities bilaterally suggestive of mild pulmonary edema and increased central venous pressure . Small pleural effusion may be present on the right with blunting of the right hemidiaphragm . The lungs are otherwise without a focal consolidation . Calcifications are noted at the aortic arch .
    OUTPUT:
    
Little change in comparison to prior study with evidence of chronic congestive heart failure , but no acute intrathoracic process .