gastric cancer
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) A case in which gastric cancer was diagnosed before surgery and gastrectomy or total gastrectomy with lymph node dissection was performed. 2) The histological type of the main lesion is papillary adenocarcinoma, well-differentiated tubular adenocarcinoma, moderately differentiated tubular adenocarcinoma, solid poorly differentiated adenocarcinoma, non-solid poorly differentiated adenocarcinoma, signet ring cell carcinoma, or mucinous cancer. What is 3) The section at the time of histopathological diagnosis is in a state that can withstand re-analysis.
Exclusion criteria
Exclusion criteria: 1) Those containing special histological types such as adenosquamous carcinoma, squamous carcinoma, and carcinoid tumor in the main lesion 2) When the person in charge of research determines that participation in this research is inappropriate 3) When the research subject expresses refusal to participate in this research by opt-out
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Accuracy (accuracy rate, sensitivity, and specificity) for the diagnosis of lymph node metastasis for gastric cancer | — |
Secondary
| Measure | Time frame |
|---|---|
| Duration, confidence, accuracy according to the histological types, and minimum size of lesion for the diagnosis of metastasis by pathologists | — |
Countries
Japan
Contacts
Chiba University Hospital (Medtech Link Center) / Frontier Medical Engineering Center Esophageal-Gastro-Intestinal Surgery