When youi want mac and cheese or a smaller portion use kids menu and you don't need a gastric postop card.
A “post op card” is a business cards sized card, often laminated, usually given by surgeons reading something to the effect of:
The holder of this card has had a surgical procedure which has permanently reduced their stomach capacity. Therefore… It is greatly appreciated if you would allow them to order from the children’s menu or to purchase half-sized adult entrees. Thank you for your consideration.