Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right chest Port - A - Cath terminates in the right atrium , unchanged from ___ . The lungs are well expanded . There is mild pulmonary vascular congestion . Wedge - shaped opacity in the left lower lung overlies spine on lateral view . Mediastinal contours , hila , cardiac silhouette are stable from ___ . A small left pleural effusion is present , similar in size ___ .
    OUTPUT:
    
1 . Left lower lobe opacity may represents pneumonia in this setting although atelectasis accentuated by mild pulmonary vascular congestion could have this appearance . 2 . Small left pleural effusion similar in size from ___ .