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    Impact of adjuvant treatment modalities on survival outcomes in curatively resected pancreatic and periampullary adenocarcinoma
    (Chinese Journal Cancer Research Co, 2015) Turan, Nedim; Benekli, Mustafa; Unal, Olcun Umit; Unek, Ilkay Tugba; Tastekin, Didem; Dane, Faysal; Algin, Efnan
    Background: We examined the impact of adjuvant modalities on resected pancreatic and periampullary adenocarcinoma (PAC). Methods: A total of 563 patients who were curatively resected for PAC were retrospectively analyzed between 2003 and 2013. Results: Of 563 patients, 472 received adjuvant chemotherapy (CT) alone, chemoradiotherapy (CRT) alone, and chemoradiotherapy plus chemotherapy (CRT-CT) were analyzed. Of the 472 patients, 231 were given CRT-CT, 26 were given CRT, and 215 were given CT. The median recurrence-free survival (RFS) and overall survival (OS) were 12 and 19 months, respectively. When CT and CRT-CT groups were compared, there was no significant difference with respect to both RFS and OS, and also there was no difference in RFS and OS among CRT-CT, CT and CRT groups. To further investigate the impact of radiation on subgroups, patients were stratified according to lymph node status and resection margins. In node-positive patients, both RFS and OS were significantly longer in CRT-CT than CT. In contrast, there was no significant difference between groups when patients with node-negative disease or patients with or without positive surgical margins were considered. Conclusions: Addition of radiation to CT has a survival benefit in patients with node-positive disease following pancreatic resection.
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    Major and minor salivary gland cancers: A multicenter retrospective study
    (Wiley, 2023) Hacioglu, Muhammet Bekir; Erdogan, Bulent; Bardakci, Murat; Algin, Efnan; Gulbagci, Burcu; Hacibekiroglu, Ilhan; Hamdard, Jamshid
    BackgroundMost of the studies on salivary gland cancers are limited for various reasons such as being single-center, small number of patients, including only major or minor SGCs, or only including epidemiological data. MethodsA total of 37 medical oncology clinics from different regions of Turkey participated in this retrospective-multicenter study. The analyzed data included clinical and demographical features, primary treatment, metastasis localizations, and treatments and includes certain pathologic features. ResultsThe study included data from a total of 443 SGCs. 56.7% was in major salivary glands and 43.3% was in minor salivary glands. Distant metastasis in the major SGCs was statistically significantly more common than in the minor SGCs, locoregional recurrence was statistically significantly more common in the minor SGCs than in the major SGCs (p = 0.003). ConclusionsEpidemiological information, metastasis and recurrence patterns, treatment modalities, and survival analysis of the patients over 20 years of follow-up are presented.
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    The prognostic value of lymph node ratio in patients with curatively resected pancreatic adenocarcinoma.
    (Amer Soc Clinical Oncology, 2015) Turan, Nedim; Araz, Murat; Algin, Efnan; Unal, Olcun Umit; Benekli, Mustafa; Tastekin, Didem; Dane, Faysal
    [Abstract Not Available]