530 results on '"Nahas, Sergio"'
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2. MRI-based radiomic score increased mrTRG accuracy in predicting rectal cancer response to neoadjuvant therapy
3. Prognostic factors for local recurrence in patients with rectal cancer submitted to neoadjuvant chemoradiotherapy and total mesorectal excision
4. Is religiosity/spirituality in patients with Crohn's disease important to their quality of life?
5. The Role of Probe-Based Confocal Laser Endomicroscopy (pCLE) in the Diagnosis of Sustained Clinical Complete Response Under Watch-and-Wait Strategy After Neoadjuvant Chemoradiotherapy for Locally Advanced Rectal Adenocarcinoma: a Score Validation
6. Salvage Surgery for Anal Squamous Cell Carcinoma: Still a Difficult Challenge
7. Tumor size predicts worse prognosis in esophagogastric junction adenocarcinoma
8. Gastrointestinal Surgery
9. Implementation of an organized colorectal cancer screening program through quantitative fecal immunochemical test followed by colonoscopy in an urban low-income community: Guidance and strategies
10. Combined artificial intelligence and radiologist model for predicting rectal cancer treatment response from magnetic resonance imaging: an external validation study
11. Short-Term Surgical Outcomes of Robotic Gastrectomy Compared to Open Gastrectomy for Patients with Gastric Cancer: a Randomized Trial
12. Value of Primary Rectal Tumor PET/MRI in the Prediction of Synchronic Metastatic Disease
13. Two decades of liver resection with a multidisciplinary approach in a single institution: What has changed? Analysis of 1409 cases
14. Case Report: Severe Colonic Crohn Disease Initiated after Liver Transplantation Requiring Surgery
15. Diagnosis of Clinical Complete Response by Probe-Based Confocal Laser Endomicroscopy (pCLE) After Chemoradiation for Advanced Rectal Cancer
16. The novel BPRST classification for hemorrhoidal disease: A cohort study and an algorithm for treatment
17. Impact of COVID-19 pandemic on the surgical treatment of gastric cancer
18. Is it Safe to Perform Elective Colorectal Surgical Procedures during the COVID-19 Pandemic? A Single Institution Experience with 103 Patients
19. Transanal hemorrhoidal dearterialization: Lessons learned from a personal series of 200 consecutive cases and a proposal for a tailor-made procedure
20. Long-term survival analysis after endoscopic stenting as a bridge to surgery for malignant colorectal obstruction: comparison with emergency diverting colostomy
21. Local treatment of colostomy prolapse with the MESH STRIP technique: A novel and highly efficient day hospital technique
22. Diagnostic accuracy of FDG-PET/MRI versus pelvic MRI and thoracic and abdominal CT for detecting synchronous distant metastases in rectal cancer patients
23. Correction to: Value of Primary Rectal Tumor PET/MRI in the Prediction of Synchronic Metastatic Disease
24. Rectosigmoidectomy With Posterior End-to-Side Anastomosis for Chagasic Megacolon (Habr-Gama Technique)
25. Risk factors for adverse events of colorectal endoscopic submucosal dissection: a systematic review and meta-analysis
26. Pathologic complete response implies a fewer number of lymph nodes in specimen of rectal cancer patients treated by neoadjuvant therapy and total mesorectal excision
27. Diagnosis and treatment of constipation: a clinical update based on the Rome IV criteria
28. Laparoscopic sigmoidectomy for colorectal cancer in situs inversus: A technical challenge—A video vignette.
29. Diagnostic performance of magnetic resonance to assess treatment response after neoadjuvant therapy in patients with locally advanced rectal cancer
30. Mucinous Degeneration on MRI After Neoadjuvant Therapy in Patients With Rectal Adenocarcinoma: Frequency and Association With Clinical Outcomes
31. Role of Magnification Chromoendoscopy in the Management of Colorectal Neoplastic Lesions Suspicious for Submucosal Invasion
32. Prognostic factors affecting outcomes in multivisceral en bloc resection for colorectal cancer
33. Gastric and Duodenal Fistulas in Crohn’s Disease, a Surgical Challenge: Report of 5 Cases and a Review of the Literature
34. A Head-to-Head Comparison of Computed Tomography Colonography, Optical Colonoscopy, and Colon Endoscopic Capsule for the Detection of Polyps After Partial Colectomy or Rectosigmoidectomy for Colorectal Cancer: A Pilot Study
35. Multivisceral resection compared to standard gastrectomy for gastric adenocarcinoma: A propensity score‐matching analysis
36. Predictive factors of response to infliximab therapy in Brazilian inflammatory bowel disease patients.
37. Multiple colorectal liver metastases resection can offer long-term survival: The concept of a chronic neoplastic disease
38. Evaluation of cutaneous sensibility of the internal pudendal artery perforator (IPAP) flap after perineal reconstructions
39. Impact of microsatellite status in early-onset colonic cancer
40. Endoscopic colostomy with percutaneous colopexy: an animal feasibility study
41. Impact of a Routine Colorectal Endoscopic Submucosal Dissection in the Surgical Management of Nonmalignant Colorectal Lesions Treated in a Referral Cancer Center
42. Salvage Surgery for Anal Squamous Cell Carcinoma: Still a Difficult Challenge
43. RESULTADOS ONCOLÓGICOS NO TRATAMENTO CIRÚRGICO VÍDEOLAPAROSCÓPICO DO CÂNCER DE RETO
44. CIRURGIA DE ALTEMEIER PARA A CORREÇÃO DE PROLAPSO RETAL APÓS RETOSSIGMOIDECTOMIA VIDEOLAPAROSCÓPICA COM ANASTOMOSE COLOANAL MANUAL PARA O TRATAMENTO DE NEOPLASIA DE RETO BAIXO
45. PADRONIZAÇÃO DA RETOSSIGMOIDECTOMIA VIDEOLAPAROSCÓPICA DO ADENOCARCINOMA DE SIGMOIDE
46. EXENTERAÇÃO PÉLVICA PARA ADENOCARCINOMA DE RETO: RESULTADOS E FATORES PROGNÓSTICOS
47. VÍDEO DA UTILIZAÇÃO DA ANGIOGRAFIA COM VERDE DE INDOCIANINA NA REALIZAÇÃO DE ANASTOMOSES COLORRETAIS
48. PESQUISA DE SATISFAÇÃO E QUALIDADE DE VIDA APÓS TRATAMENTO CIRÚRGICO PARA FISSURA ANAL CRÔNICA
49. FATORES PROGNÓSTICOS NO TRATAMENTO CIRÚRGICO DO CÂNCER DE RETO EM INSTITUTO ACADÊMICO DE CÂNCER DO EQUADOR
50. AMPUTAÇÃO ABDOMINOPERINEAL DE RETO COM TEMPO PERINEAL EM POSIÇÃO PRONA: VÍDEO COM ÊNFASE EM ASPECTOS TÉCNICOS DA PRONAÇÃO DO PACIENTE
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