The incidence of ampulla of Vater carcinoma, a type of periampullary cancer, has been
increasing at an annual percentage rate of 0.9%. However, patients with ampulla of Vater …

Background Numerous studies have developed or validated prediction models to estimate
the likelihood of postoperative pneumonia (POP) in esophageal cancer (EC) patients. The …

Objective The aim of this study was to predict the long-term survival probability of patients
with ampullary adenocarcinoma (AAC), which would provide a theoretical basis for the long …

In the era of minimally invasive surgery, esophagectomy remains a highly invasive
procedure with a high rate of postoperative complications. Preoperative risk assessment is …

Background Esophagectomy for esophageal cancer has a complication rate of up to 60%.
Prediction models could be helpful to preoperatively estimate which patients are at …

Gastric cancer is a prevalent and deadly malignancy, and the response to immunotherapy
varies among patients. This study aimed to develop a prognostic model for gastric cancer …

Background Pancreatoduodenectomies are complex surgical procedures with a
considerable morbidity and mortality even in high-volume centers. However, postoperative …

Background Esophagectomy in combination with perioperative multimodal therapy is the
cornerstone of modern curative treatment for esophageal adenocarcinoma. The primary aim …

BACKGROUND Locally advanced gastric cancer (LAGC) is a common malignant tumor. In
recent years, neoadjuvant chemotherapy has gradually become popular for the treatment of …

In large cancer databases, it is common to collect electronic health records that have varying
origins-for example, records often come from rural and urban settings or from academic and …