TURKISH JOURNAL OF ONCOLOGY 2010 , Vol 25 , Num 4
Evaluation of prognostic factors on survival in patients with lymph node negative gastric cancer: three centers experience
Ahmet BİLİCİ,1 Mesut ŞEKER,1 Bala Başak ÖVEN USTAALİOĞLU,1 Faysal DANE,2 Mehmet ALİUSTAOĞLU,1 Burçak ERKOL YILMAZ,1 Cem GEZEN,3 Taflan SALEPCİ,1 Mahmut GÜMÜŞ,1 Kazım UYGUN4
1Dr. Lütfi Kırdar Kartal Eğitim ve Araştırma Hastanesi, Tıbbi Onkoloji Kliniği, İstanbul
2Marmara Üniversitesi Tıp Fakültesi, Tıbbi Onkoloji Bilim Dalı, İstanbul
3Dr. Lütfi Kırdar Kartal Eğitim ve Araştırma Hastanesi, Genel Cerrahi Kliniği, İstanbul
4Kocaeli Üniversitesi, Tıp Fakültesi, Tıbbi Onkoloji Bilim Dalı, Kocaeli
OBJECTIVES
In our study, prognostic factors associated with overall survival (OS) and disease-free survival (DFS) in patients without lymph node metastasis after curative surgery, were investigated.

METHODS
A total of 113 gastric cancer patients with lymph node negative who had undergone curative gastrectomy, between 2003 and 2010, were retrospectively analyzed.

RESULTS
In the univariate analysis pT stage (p<0.001), clinical stage (p<0.001), blood vessel invasion (p=0.033) and recurrence (p<0.001) were found to be an important prognostic factors for OS, while pT stage (p=0.004), clinical stage (p=0.001), blood vessel invasion (p=0.016) and lymphatic vessel invasion (p=0.031) were important prognostic indicators for DFS. Multivariate analysis indicated that pT stage, clinical stage, histological grade and recurrence were independent prognostic factors for OS. Moreover, when multivariate analysis was performed for DFS, surgery type, tumor size, pT stage and clinical stage were found to be independent prognostic indicators.

CONCLUSION
Patients with lymph node negative gastric cancer have a high curability and survival compared with cases with lymph node metastasis. Keywords : Overall survival; disease-free survival; lymph node negative tumors; gastric cancer