Dr. Millikan???s Surgical interests and expertise includes Minimally Invasive or Laparoscopic approaches to the following diseases: Upper Gastrointestinal tract that include Esophagus, stomach, liver, gallbladder, pancreas, spleen and small intestine including cancer and benign diseases, hernia Surgery including Groin or inguinal, incisional or ventral, umbilical and hiatal hernias.