Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest are obtained . Lung volumes are low which limits evaluation somewhat . Allowing for this , there is no focal consolidation , effusion , or pneumothorax . A PICC line in the left arm extends to the level of the superior vena cava , in unchanged position . Cardiomediastinal silhouette appears normal . No pneumothorax is seen . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process . Unchanged position of PICC line .