Results 201 to 210 of about 1,105,597 (253)

A Comprehensive Meta-Analysis and Review of Intraoperative Radiotherapy in Colorectal Cancer: Examining Radiation Dosage, Long-Term Prognosis, and Treatment-Related Complications. [PDF]

Cancer Med
Guo C, Liu S, Li L, Zhao J, Zhou H, Liu H, Liu T, Ji F.   +7 more
europepmc   +1 more source

The meaning of R1 resection after endoscopic removal of gastric, duodenal and rectal neuroendocrine tumors

Expert Review of Gastroenterology & Hepatology, 2023
Introduction Well-differentiated gastric, duodenal, and rectal neuroendocrine neoplasms (NETs) are rare diseases usually managed by endoscopic treatment.
G. Esposito, E. Dell'Unto, I. Ligato, Matteo Marasco, F. Panzuto   +4 more
semanticscholar   +2 more sources

The impact of R1 resection for colorectal liver metastases on local recurrence and overall survival in the era of modern chemotherapy: An analysis of 1,428 resection areas

Surgery, 2019
Background: It is still unclear whether a positive surgical margin after resection of colorectal liver metastases remains a poor prognostic factor in the era of modern perioperative chemotherapy. The aim of this study was to evaluate whether preoperative
F. Ardito, E. Panettieri, M. Vellone, Massimo Ferrucci, A. Coppola, N. Silvestrini, V. Arena, E. Adducci, G. Capelli, F. Vecchio, I. Giovannini, G. Nuzzo, F. Giuliante   +12 more
semanticscholar   +2 more sources

What to do after R1‐resection of adenocarcinomas of the esophagogastric junction?

Journal of Surgical Oncology, 2016
The management of R1-resected adenocarcinoma of the esophagogastric junction (AEG) is unclear. We aimed to identify risk factors and prevalence of R1 resections, their recurrence and prognosis, and efficacy of postoperative therapy.A single center cohort
R. Gertler, J. Richter, L. Stecher, U. Nitsche, M. Feith   +4 more
semanticscholar   +2 more sources

R1 Resection by Necessity for Colorectal Liver Metastases: Is It Still a Contraindication to Surgery?

Annals of Surgery, 2008
Objective: To compare long-term outcome of R0 (negative margins) and R1 (positive margins) liver resections for colorectal liver metastases (CLM) treated by an aggressive approach combining chemotherapy and repeat surgery.
R. D. de Haas, D. Wicherts, E. Flores, D. Azoulay, D. Castaing, R. Adam   +5 more
semanticscholar   +2 more sources

Benchmarking circumferential resection margin (R1) resection rate for rectal cancer in the neoadjuvant era

Colorectal Disease, 2010
AIM: Circumferential resection margin (CRM) involvement (R1) is used to audit rectal cancer surgical quality. However, when downsizing chemoradiation (dCRT) is used, CRM audits both dCRT and surgery, its use reflecting a high casemix of locally advanced ...
W. Chambers, G. Collins, B. F. Warren, Chris Cunningham, N. Mortensen, I. Lindsey   +5 more
semanticscholar   +2 more sources

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Association between R1 resection and oncological outcome in resectable gastrointestinal stromal tumors without tumor rupture: A systematic review and meta-analysis.

European Journal of Surgical Oncology, 2021
BACKGROUND The influence of positive microscopic margin (R1) resection on the prognosis of gastrointestinal stromal tumors (GISTs) is controversial. Tumor rupture is significantly associated with the occurrence of R1 resection and may be a confounder of ...
Meng Kong, Guo-Tao Liu, H. Zhuo, Yingying Xin, Hongyuan Chen, Hongguang Sheng, Le-Ping Li   +6 more
semanticscholar   +1 more source