rectal cancer large intestine, rectum
Conditions
Interventions
None listed
Sponsors
Ouchi Akira
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1) Pathologically diagnosed as adenocarcinoma (including mucinous, signet-cell, and medullary carcinoma) based on the Japanese Classification of Colorectal, Appendiceal, and Anal Carcinoma (JCCAAC), 3rd English Edition on the resected specimen for rectal cancer 2) Performed abdominal and pelvic contrast-enhanced CT (aortic bifurcation to pelvis) or abdominal and pelvic contrast-enhanced MRI (aortic bifurcation to pelvis) before surgery. 3) Inversion depth was suspected cT2 or deeper on JCCAAC 3rd English Edition, mainly located at the low rectum or anal canal. 4) No preoperative chemotherapy or radiotherapy, and performed bilateral lateral pelvic lymph node dissection and primary rectal cancer resection. 5) No treatment history of surgery, chemotherapy, or radiotherapy for pelvic malignancies (including rectal, gynecologic, and urologic cancers). 6) No distant organ metastasis, distant lymph node metastasis, or peritoneal dissemination (not cStage IV) on preoperative images.
Exclusion criteria
Exclusion criteria: none
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Construction of imaging diagnostic systems based on AI for rectal cancer | — |
Secondary
| Measure | Time frame |
|---|---|
| Validation of AI-based imaging diagnostic systems: false-positive rate, false-negative rate, positive predicting value, sensitivity, specificity, negative predicting value | — |
Contacts
Public ContactAkira Ouchi
Aichi Cancer Center Hospital
Outcome results
None listed