KIT and autoimmune hepatitis: Other comorbidities included autoimmune hepatitis (7), hypothyroiditis (8), previously resected C-kit positive gastrointestinal stromal tumor and urothelial cell bladder cancer (8), tobacco use (9), gastroesophageal reflux disease (GERD) (9), dyslipidemia (10), history of pulmonary embolism (10), and anemia (11).