Prognostic Value of Dynamic Lactate Dehydrogenase Trends in Immunotherapy for Advanced Esophageal Squamous Cell Carcinoma: Retrospective Cohort Study

Baidong Zhang   ^{1 *} , MM ;   Zhichao Kang   ^{1 *} , MM ;   Yi Ding   ¹ , MM ;   Wang Jing   ¹ , MD ;   Alei Feng   ¹ , MD ;   Renya Zeng   ¹ , MD ;   Jianan Li   ¹ , MM ;   Yi Zhao   ¹ , MM ;   Yuanliu Nie   ² , MM ;   Wentao Zhang   ² , MM ;   Lu Sun   ¹ , MD ;   Zhe Yang   ¹ , MD

¹ Tumor Research and Therapy Center, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China

² Department of Radiation Oncology, Shandong Provincial Hospital, Jinan, China

*these authors contributed equally