Is Pro-Calcitonin a Helpful Tool in Community-Acquired Pneumonia?

The article really focuses on does Pro-Calcitonin help us better take care of patients with community-acquired pneumonia. And I thought that this is such an important topic that it would be worthwhile to go over it again. From your perspective leading antibiotic stewardship, do you see this as a helpful tool? And if so, why and if not, why?