Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Right PICC is no longer visualized . Improved inspiratory effort seen on the current exam . The lungs are now clear without consolidation or pneumothorax . There is trace blunting of the right posterior costophrenic angle suggesting trace effusion . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormality is detected .
    OUTPUT:
    
No acute cardiopulmonary process . Possible trace right pleural effusion .