Rectal Cancer
Conditions
Interventions
Sponsors
Sun Yat-Sen University Cancer Center
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1) Biopsy-proven primary rectal adenocarcinoma; 2)Initial patients without any treatment; 3)Pathology can be obtained by operation in our hospital. 4)All patients were examined by transrectal 3D ultrasound before treatment, and the upper edge of the lesion could be completely detected by ultrasound probe (it is suggested that the tumors should be located within 10 cm from the anus). The image data were complete. 5)Patients should understand and be willing to sign an informed consent form.
Exclusion criteria
Exclusion criteria: 1) Incomplete or inferior image data of three-dimensional transrectal ultrasound pre- and post-neoadjuvant therapy. 2) Combined with severe chronic cardiovascular and cerebrovascular diseases, liver and gallbladder, kidney diseases, and other malignant tumors or immunodeficiency diseases; existing or combined with hemorrhagic diseases; pregnant or lactating women and other uncontrollable and inoperable patients.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| staging;SEN, SPE, ACC, PPV, NPV, Kappa; | — |
Secondary
| Measure | Time frame |
|---|---|
| pathologic complete response; | — |
Countries
China
Contacts
Public ContactLi Anhua
Department of Ultrasound, Sun Yat-Sen University Cancer Center
Outcome results
None listed