Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are aortic knob calcifications . The heart size is normal . There is a right shoulder prosthesis in unchanged alignment since ___ . There is a small right pleural effusion . Perihilar fullness and cephalization of the vasculature increased intravascular volume .
    OUTPUT:
    
Mild pulmonary vascular congestion .