Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with radiograph performed approximately 9 days ago there has been interval development of a right lower lobe opacity , with obscuration of the right heart border . There is a small amount of layering pleural effusion with some fluid within the minor fissure . On the left there is a small pleural effusion . A vague small opacity is seen in the left upper lung which appears new from prior . There is increased vascular congestion and interstitial markings bilaterally . Right - sided central line ends in the right atrium as before . Sternotomy wires are intact .
    OUTPUT:
    
Right middle and potentially lower lobe pneumonia on the background of worsening vascular congestion and interstitial pulmonary edema . Followup after treatment is suggested .