The goal of this observational study is to learn about in invasive non-small cell lung cancer patients who underwent pulmonary resection with systematic lymph node dissection from April 2008 to July 2022 . The main question it aims to answer are: determine the situation of zero risk mediastinal lymph metastases and the different lymph node metastatic patterns of tumors with different characteristics. Participants will provide personal information to analyze. and there is not a comparison group.
Study Type
OBSERVATIONAL
Enrollment
7,067
no intervention, it is a retrospective study .
The number of participants with no mediastinal lymph metastases after systematic lymph node dissection.
We counted the number of participants with no mediastinal lymph metastases after systematic lymph node dissection and tried to determine the situation of zero risk mediastinal lymph metastases after our analyses.
Time frame: 1 year
This platform is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.