Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are stable , with mild cardiomegaly . There is calcification of the aortic knob . There is redemonstration of a small left - sided pleural effusion . A small right - sided pleural effusion is also seen . Opacity in the right lung base appears more prominent since ___ and is concerning for an infectious process . Left basilar opacity is also unchanged and likely reflective of atelectasis . No pneumothorax is seen . There is prominence of the pulmonary vasculature . A large bore central venous catheter with the tip in the right atrium is again seen .
    OUTPUT:
    
1 . Increased opacity at the right lung base which could is concerning for an infectious process . 2 . Small bilateral pleural effusions , not significantly changed since prior examination with mild interstitial pulmonary edema .