Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC is in unchanged , satisfactory position . Loculated left and dependent right pleural effusions are unchanged with fissural right - sided fluid likely again present . Lung volumes have decreased from the previous examination . Right mid and lower lung and left retrocardiac opacities appear stable to mildly increased though these could easily ___ or mask an infectious process . Mild pulmonary edema may also present .
    OUTPUT:
    
Unchanged loculated and dependent pleural effusions with bibasilar and mid lung opacities which are perhaps minimally increased . While mild pulmonary edema may be present , a concomitant infectious process is difficult to exclude .