Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is a right subclavian line which appears to reside in the more centrally overall with tip terminating in the mid-to - low SVC . A new sharp turn in this catheter is present . Cardiomediastinal and hilar contours are stable . There is no pleural effusion or pneumothorax . Round densities overlying the right lateral chest represent old rib fractures . Slight increased opacity at the left lung base is present .
    OUTPUT:
    
1 . New left basilar opacity , which may represent atelectasis or pneumonia in the correct clinical setting . 2 . Right subclavian line remains in acceptable position but with new acute angle . No action is needed if the line is functioning appropriately .