Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided PICC is seen , distal aspect not well appreciated , but likely terminating within the right atrium ; as mentioned on the prior study , can be withdrawn 4 cm for more optimal positioning . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable and unremarkable .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Distal aspect of right PICC not well seen but likely terminates in the right atrium ; as mentioned on the prior study , can be withdrawn approximately 4 cm for more standard positioning .