Severe pulmonary tuberculosis complicating Ileocecal intussusception due to intestinal tuberculosis: a case report oleh Yamamoto Yoshihiro, Kakeya Hiroshi, Seki Masafumi, Izumikawa Koichi, Yanagihara Katsunori, Nakamura Shigeki, Miyazaki Yoshitugu, Suyama Naofumi, Kohno Shigeru