Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is top - normal . Cardiomediastinal silhouette and hilar contours are normal . Lung volumes are low but otherwise clear . Left PICC remains unchanged with tip projecting over the mid SVC . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process ; specifically , no evidence of pneumonia .