Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest compared to previous exam from ___ . Right PICC is again seen with tip in the upper SVC . Blunting of the right costophrenic angle is again seen , with adjacent linear opacity . Findings are suggestive of either pleural scarring / fluid with adjacent atelectasis / scarring . Lungs are otherwise essentially clear . Cardiac silhouette is stable in configuration , as are the osseous and soft tissue structures notable for a left shoulder subluxation and lower cervical spinal fixation hardware .
    OUTPUT:
    
No acute cardiopulmonary process .