Dr. Jared Patterson will discuss gender-specific knee replacements for men and women and specialized surgical techniques during a free Lunch and Learn, Wednesday, March 17, from Noon to 1:30 p.m., in the Women’s & Children’s Pavilion on the Methodist Le Bonheur Germantown Hospital campus, 7691 Poplar Ave. A complementary lunch will be provided. Call 888.777.5959 to reserve your seat.