preferred_name: One ct scan or no ct scan of the paranasal sinuses ordered within 90 days after the date of diagnosis
preferred_name_lc: one ct scan or no ct scan of the paranasal sinuses ordered within 90 days after the date of diagnosis
label: 1 or no ct sinus w/in 90d dx
label_lc: 1 or no ct sinus w/in 90d dx