Collision tumor of the esophagus: a report of five cases

• Guo-Chao Zhang,
• Bing-Zhi Wang,
• Li-Yu Wang,
• Ya-Long Wang,
• Wei Guo,
• Nan Sun,
• Shu-Geng Gao,
• Qi Xue,
• Jie He,
• Pei-Fang Wei

Affiliations

Guo-Chao Zhang

Bing-Zhi Wang

Li-Yu Wang

Ya-Long Wang

Wei Guo

Nan Sun

Shu-Geng Gao

Qi Xue

Jie He

Pei-Fang Wei