Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size appears mildly enlarged , unchanged . Mediastinal contours are unremarkable . Perihilar haziness is noted with mild pulmonary vascular congestion . Focal patchy opacity within the right upper to mid lung field is again noted . Patchy opacity is also demonstrated within the left lung base . No pleural effusion or pneumothorax is demonstrated . There are no acute osseous abnormalities . Bilateral breast implants are re - demonstrated .
    OUTPUT:
    
Mild pulmonary vascular congestion . Patchy opacities within the left lung base and right upper to mid lung field are nonspecific , and could reflect areas of infection .