Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . A left upper extremity access PICC line is again seen with its tip in the low SVC . The lungs are clear bilaterally without focal consolidation , large effusion or pneumothorax . No signs of congestion or edema . The cardiomediastinal silhouette appears normal . The imaged bony structures are intact . No free air is seen below the right hemidiaphragm .
    OUTPUT:
    
PICC line positioned appropriately . No acute intrathoracic process .