clinical N1 nodal stage oral squamous cell carcinoma
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Primary oral cancer was treated by surgery for the first time in Peking University Hospital of Stomatology, and neck dissection was performed at the same time. 2.No simultaneous neck dissection was performed for primary oral cancer, but neck dissection was performed for the next time because of neck recurrence. 3.It was clinically diagnosed as squamous cell carcinoma and the cervical grade was cN1; 4.No preoperative radiotherapy and chemotherapy were performed.
Exclusion criteria
Exclusion criteria: 1.The medical records are not detailed; 2.The first operation of oral squamous cell carcinoma was performed in another hospital. 3.Preoperative radiotherapy and chemotherapy were performed.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| local recurrence;regional recurrence;distant metastasis;overall survival;disease-specific survival;pathological grading;primary site; | — |
Countries
China
Contacts
Peking University Hospital of Stomatology