Clinical CorrespondenceMain bronchus foreign body aspiration in a pediatric patient cohortShujun Ke MD1＃, Huiyong Hu MD2＃, Ya Zou MD3, Xiaoping Jing MD PhD3*1 Department of Radiology, Shanghai Children’s Hospital, School of medicine, Shanghai Jiao Tong University, Shanghai 200040, China;2 Department of the Ultrasonography Department, Shanghai Children’s Hospital, School of medicine, Shanghai Jiao Tong University; Shanghai 200040, China;3 Department of Traditional Chinese Medicine, Shanghai Children’s Hospital, School of medicine, Shanghai Jiao Tong University, Shanghai 200040, China;＃These authors contributed equally to this work.*Corresponding author: Department of Traditional Chinese Medicine, Shanghai Children’s Hospital, School of medicine, Shanghai Jiao Tong University;Address: 1400 West Beijing Road, Shanghai, China Lane 24 Zip Code 200040;e-mail: [email protected](P J);