Focused Issue on Current Strategies in Colon Cancer Management

This focused issue on “Current Strategies in Colon Cancer Management” is edited by Dr. Teo Nan Zun, ​FRCS, from Department of General Surgery, National University of Singapore, Singapore; and Dr. James Ngu, from Department of General Surgery, Changi General Hospital, Singapore, Singapore

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Congratulations to Editorial Board Members of Journal of Gastrointestinal Oncology

We are very pleased to announce that Dr. Laura Dawson, Dr. Lisa Kachnic and Dr. William Cance, who are editorial board members of Journal of Gastrointestinal Oncology, have been elected to the new leadership positions at prestigious organizations.

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Focused Issue on Global GI Malignancies

This focused issue on “Global GI Malignancies” is edited by Dr. John F. Gibbs, from HMH SOM at Seton Hall University, South Orange, NJ, USA; and Dr. Quyen Chu, from LSU-Health Sciences Center-Shreveport, Shreveport, LA, USA.

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Focused Issue on Surgery for Locally Advanced Pancreatic Cancer

This focused issue on Surgery for Locally Advanced Pancreatic Cancer is edited by Dr. Elena Rangelova, MD, PhD, from Department of Upper GI Cancer, Division of HPB Surgery, Karolinska University Hospital, Stockholm, Sweden.

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Application of the CARE Guideline as reporting standard in Journal of Gastrointestinal Oncology

Journal of Gastrointestinal Oncology welcomes case reports which are supposed to report new observations of diseases, clinical findings or novel/unique treatment outcomes relevant to practitioners in the fields of medicine.

For completeness and transparency for published case reports, Journal of Gastrointestinal Oncology will apply the CARE guidelines (1) as reporting standards for case reports starting from October 14, 2019.

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Focused Issue on Pancreatic Neuroendocrine Tumors

This focused issue on “Pancreatic Neuroendocrine Tumors” is edited by Dr. Callisia Clarke and Dr. Douglas B. Evans, from Department of Surgery, Division of Surgical Oncology, Medical College of Wisconsin, Milwaukee, WI, USA.

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Focused Issue on Proton Beam Radiotherapy for Gastrointestinal Cancers

This focused issue on “Proton Beam Radiotherapy for Gastrointestinal Cancers” is edited by Dr. Christopher L. Hallemeier, Dr. Jonathan B. Ashman, and Dr. Michael G. Haddock, from Mayo Clinic, MN, USA

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Focused Issue on Current Status of Colorectal Cancer Surgery

This focused issue on “Current Status of Colorectal Cancer Surgery” is edited by Dr. Ker Kan Tan, MBBS, from Division of Colorectal Surgery, University Surgical Cluster, National University Hospital, Singapore.

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Utilization of neoadjuvant intensity-modulated radiation therapy and proton beam therapy for esophageal cancer in the United States

Figure 2 Temporal trends in delivery of radiotherapy technique.

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Immune profiling of microsatellite instability-high and polymerase ε (POLE)-mutated metastatic colorectal tumors identifies predictors of response to anti-PD-1 therapy

Figure 3 Multispectral fluorescent IHC staining (200×) and image analysis using a panel of markers including CD68, PD-L1, CK20, and DAPI on pretreatment tumor specimens in a responder to PD-1 blockade (top row) and a nonresponder to PD-1 blockade (bottom row) identified that PD-L1 expression was observed primarily on non-tumor cells, specifically on CD68+ tumor-associated macrophages. Case (top row) from a MSI-H mCRC patient with response to pembrolizumab and (bottom row) from a MSI-H mCRC patient with no response to pembrolizumab.

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Evolving Role of Immune-oncology Therapeutics in GI Malignancies edited by Dr. Devalingam Mahalingam

In recent years, we have witnessed immunotherapy-based agents transform how we manage patient’s malignant melanoma, non-small cell lung cancer, genitourinary cancers, head and neck cancers and Hodgkin’s lymphoma to list a few. Unfortunately, the progress of immunotherapy-based agents in GI cancers has been slow, although in 2017 we have seen approval of (I) Nivolumab/Pembrolizumab for patients with metastatic CRC with high microsatellite instability (MSI-H) or DNA mismatch repair deficiency (dMMR), (II) Pembrolizumab for patients with advanced gastric and GE junction tumors, who have failed at least two lines of chemotherapy and express PD-L1 protein, (III) Nivolumab for the treatment of patients with HCC following prior sorafenib, regardless of PD-L1 status.

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A phase 2 trial of personalized cytotoxic therapy based on tumor immunohistochemistry in previously treated metastatic pancreatic cancer patients

Figure 2 Overall survival. Time on study ranged from 0–8.6 months (median 1.3 months, 95% CI, 1–1.6 months). All patients have died, with survival ranging from 0.4 months to 26.8 months. The median PFS is 2.4 months (95% CI, 2.1–3.9 months) and median survival is 5.7 months (95% CI, 3.8–8.2 months). The 1-year survival rate was 20% (95% CI, 7–33%) for all 35 patients.

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Preoperative accuracy of gastric cancer staging in patient selection for preoperative therapy: race may affect accuracy of endoscopic ultrasonography

Table 3 Multivariate analysis of factors predicting T-staging accuracy of endoscopic ultrasonography 

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Stereotactic body radiotherapy for locally-advanced unresectable pancreatic cancer—patterns of care and overall survival

Figure 1 Utilization of SBRT and CFRT from 1998 to 2012 for individuals with locally-advanced pancreatic cancer. SBRT, stereotactic body radiotherapy; CFRT, conventionally fractionated radiotherapy.

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Adjuvant chemotherapy and outcomes in esophageal carcinoma

Figure 2 Overall Survival and recurrence free survival comparisons for the propensity score matched cohort. (A) OS comparison for the propensity score matched cohort. The median OS was 2.7 years (CI, 1.6–3.7) in the group that received adjuvant chemotherapy and 2.8 years (CI, 2.0–3.6) in the group that did not receive any postoperative therapy (P=0.421)...

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The International Duration Evaluation of Adjuvant Chemotherapy study: implications for clinical practice

Table 1 Randomized phase III trials that constitute the IDEA project

After long anticipation, the preliminary results of the International Duration Evaluation of Adjuvant Chemotherapy (IDEA) study were reported at the American Society of Clinical Oncology on June 4, 2017.

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The role of neoadjuvant radiotherapy for locally-advanced rectal cancer with resectable synchronous metastasis

Figure 3: Overall survival: 5-year overall survival rates were: 43.3% (95% CI: 30.1, 62.3%) (no RT) vs. 58.3% (95% CI: 43.4%, 78.2%) (RT). The 5-year disease-specific survival rates were 49.6% (95% CI: 35.5%, 69.4%) (no RT) vs. 60.5% (95% CI: 45.0%, 81.33%) (RT). RT, radiotherapy.

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A margin distance analysis of the impact of adjuvant chemoradiation on survival after pancreatoduodenectomy for pancreatic adenocarcinoma

Figure 1: Kaplan-Meier estimates for (A) recurrence-free survival (RFS) and (B) overall survival (OS) for patients stratified by margin clearance (MC) following pancreaticoduodenectomy (PD)

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