ANZ journal of surgery · 2024
What alters prognosis in patients who were operated for lung cancer with lymph node metastasis?
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Cimenoglu Berk, Ozdemir Attila, Buz Mesut, Dogruyol Talha, Turan Nedim, Demirhan Recep
Аннотация
INTRODUCTION: In this study, we investigated the clinical outcomes of patients who underwent surgery with proven lymph node metastasis.
METHODS: Patients who were operated for lung cancer with pN1 or pN2 were examined in the study. The clinicopathological features and survival of the subjects were evaluated according to pN1-pN2 status, presence of neoadjuvant treatment, Positron emission tomography and computed tomography (PET/CT) avidity on mediastinal lymph nodes and specific lymph node stations.
RESULTS: The study examines 100 patients operated from January 2016 to December 2021. Number of cases with pN1 and pN2 disease were 45 (45%) and 55 (55%) respectively. Thirty (30%) patients received neoadjuvant treatment. The 5-year overall survival (OS) and disease-free survival (DFS) of the patients were computed as 42.5% and 42.4% correspondingly. The 5-year cancer-related survival was 55.3%. In pN2 cohort, 5-year DFS was 67.9% in the neoadjuvant group and 15.9% in the non-neoadjuvant group (P = 0.042). In non-neoadjuvant group, 5-year DFS was 19.9% in cases with mediastinal PET/CT avidity and 56.3% in patients without mediastinal PET/CT avidity (P = 0.018). In pN2 disease, the presence of subcarinal or paratracheal lymph node metastasis did not create a significant difference in 5-year OS or DFS, but pulmonary ligament lymph node metastasis was found to be linked with worse survival in both 5-year OS (P = 0.005) and DFS (P = 0.017).
CONCLUSION: The main elements related with poor prognosis were absence of neoadjuvant treatment and pulmonary ligament lymph node metastasis in pN2 disease, detecting PET/CT avid mediastinal lymph nodes in non-neoadjuvant group.
METHODS: Patients who were operated for lung cancer with pN1 or pN2 were examined in the study. The clinicopathological features and survival of the subjects were evaluated according to pN1-pN2 status, presence of neoadjuvant treatment, Positron emission tomography and computed tomography (PET/CT) avidity on mediastinal lymph nodes and specific lymph node stations.
RESULTS: The study examines 100 patients operated from January 2016 to December 2021. Number of cases with pN1 and pN2 disease were 45 (45%) and 55 (55%) respectively. Thirty (30%) patients received neoadjuvant treatment. The 5-year overall survival (OS) and disease-free survival (DFS) of the patients were computed as 42.5% and 42.4% correspondingly. The 5-year cancer-related survival was 55.3%. In pN2 cohort, 5-year DFS was 67.9% in the neoadjuvant group and 15.9% in the non-neoadjuvant group (P = 0.042). In non-neoadjuvant group, 5-year DFS was 19.9% in cases with mediastinal PET/CT avidity and 56.3% in patients without mediastinal PET/CT avidity (P = 0.018). In pN2 disease, the presence of subcarinal or paratracheal lymph node metastasis did not create a significant difference in 5-year OS or DFS, but pulmonary ligament lymph node metastasis was found to be linked with worse survival in both 5-year OS (P = 0.005) and DFS (P = 0.017).
CONCLUSION: The main elements related with poor prognosis were absence of neoadjuvant treatment and pulmonary ligament lymph node metastasis in pN2 disease, detecting PET/CT avid mediastinal lymph nodes in non-neoadjuvant group.