Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP semi upright view of the chest provided . A right upper extremity PICC line is seen with its tip extending into the low SVC . Low lung volumes limits evaluation . Allowing for this , there is no definite sign of pneumonia or overt CHF . No large effusion or pneumothorax . Cardiomediastinal silhouette appears stable . Bony structures are intact .
    OUTPUT:
    
PICC line positioned appropriately . No acute intrathoracic process .