Tracheal obstruction caused by cervical malignant peripheral nerve sheath tumor

Tracheal obstruction caused by cervical malignant peripheral nerve sheath tumor Satoru Kitamura1, Yuki Kataoka2, Hikaru Fukutomi3, and Naoki Nakajima4 Department of Digestive Medicine, Hyogo Cancer Center, Hyogo, Department of Respiratory Medicine, Hyogo Prefectural Amagasaki Hospital, Hyogo, Department of Radiology, Hyogo Prefectural Amagasaki Hospital, Hyogo, and Department of Pathology, Hyogo Prefectural Amagasaki Hospital, Hyogo, Japan