MICHIGAN CITY, IND. — HSA PrimeCare has started construction for a 19,593-square-foot cancer treatment center on the campus of Franciscan St. Anthony Health's Michigan City campus. The oncology practice for Franciscan St. Anthony will occupy 18,417 square feet of the two-story building, with the remaining space being leased out as medical office space. HSA will develop, own and manage the property. Design Organization is serving as project architect, and Tonn and Black Construction is the general contractor.