Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right Port - A - Cath reservoir projects over the right chest and is currently accessed ; the catheter tip ends in the lower SVC . There has been interval placement of sternotomy wires , which are intact . The heart size is within normal limits and the mediastinal hilar contours do not appear widened . Calcified AP window node again seen . The lungs demonstrate left bailar opacity which is more linear in configuration on the lateral view . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Left costophrenic angle opacity , somewhat linear on the lateral view , more suggestive of atelectasis or scarring , less likely small focus of consolidation . No pleural effusion .