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Prognostic Value of Pretreatment Carcinoembryonic Antigen (CEA) in Rectal Cancer Treated with Preoperative Short-Course Radiotherapy with Delayed Surgery or Long-Course Radiotherapy.
Onco Targets Ther
January 2025
Department of Radiation Oncology & Proton and Radiation Therapy Center, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung City, 833, Taiwan.
Purpose: To investigate the prognostic value of the pretreatment serum carcinoembryonic antigen (CEA) level in patients with rectal cancer treated by preoperative short-course radiotherapy (SCRT) followed by chemotherapy and delayed surgery.
Patients And Methods: Two hundred and sixty-six consecutive patients with locally advanced rectal adenocarcinoma without distant metastasis receiving preoperative radiotherapy were enrolled. Group 1 patients (n=144) received long-course radiotherapy (LCRT) with 50.
Curative-Intended Management of Synchronous Esophageal and Rectal Cancer-A Systematic Literature Review.
J Gastrointest Cancer
January 2025
Department of Radiotherapy and Radiation Oncology, Jena University Hospital, 07747, Jena, Germany.
Purpose: Synchronous esophageal (EC) and rectal carcinoma (RC) is a rare and challenging condition, particularly in curative-intended treatment. Especially locally advanced tumors may not be suitable for primary resection and require individual multimodal treatment. This review examines curative-intended management of synchronous EC and RC.
View Article and Find Full Text PDFPhenotypic plasticity and increased infiltration of peripheral blood-derived TREM1 mono-macrophages following radiotherapy in rectal cancer.
Cell Rep Med
January 2025
Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Hubei Key Laboratory of Precision Radiation Oncology, Wuhan, China. Electronic address:
In our previously reported phase 2 and phase 3 studies, the combination of short-course radiotherapy and neoadjuvant immunochemotherapy (SIC) is established as effective cancer therapies for locally advanced rectal cancer (LARC). Here, we apply multi-omic analyses to paired pre- and post-treatment LARC specimens undergoing SIC. The peripheral blood-derived TREM1 mono-macrophage subsets that display a pro-inflammatory phenotype are identified and correlate with complete response to SIC.
View Article and Find Full Text PDFLongitudinal circulating tumor DNA monitoring in predicting response to short-course radiotherapy followed by neoadjuvant chemotherapy and camrelizumab in locally advanced rectal cancer: data from a Phase Ⅲ clinical trial (UNION).
Cancer Lett
January 2025
Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Hubei Key Laboratory of Precision Radiation Oncology, Wuhan, 430022, China. Electronic address:
This study, conducted as part of a multicenter phase III clinical trial, aimed to assess the utility of circulating tumor DNA (ctDNA)-based minimal residual disease (MRD) in comparing the efficacy of short-course and long-course chemoradiotherapy (CRT) for locally advanced rectal cancer (LARC). A total of 244 plasma samples from 79 LARC patients undergoing neoadjuvant therapy (NAT) before surgery were collected at various time points. Targeted deep sequencing using a novel MRD panel was performed.
View Article and Find Full Text PDFTreatment Pattern and Outcome of Locally Advanced Rectal Cancer in Resource-Constrained Countries: Experience at Tikur Anbessa Specialized Hospital, Addis Ababa, Ethiopia.
JCO Glob Oncol
January 2025
Department of Internal Medicine, Division of Hematology, Mayo Clinic, Rochester, MN.
Purpose: Management of locally advanced rectal cancer (LARC) includes neoadjuvant chemoradiotherapy (NACRT) followed by total mesorectal excision. Recently, total neoadjuvant treatment (TNT) has gained attention. In developing countries, patients with rectal cancer often present at advanced stages.
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