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Barrett Esophagus-II: Clinical Manifestations and Management01:21

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Individuals with Barrett's esophagus are often asymptomatic, but they may experience symptoms commonly associated with GERD, such as heartburn and acid regurgitation. Additional symptoms can include difficulty swallowing, chest pain, unintentional weight loss, blood in the stool (which may appear black, tarry, or bloody), and episodes of vomiting.
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Patients with esophageal strictures often experience a range of symptoms. Initially, they may have difficulty swallowing solid foods, which can progress to include liquids. Additional symptoms may involve chest pain or discomfort, regurgitating food and fluids, heartburn, unintentional weight loss, coughing or choking during meals, and hoarseness.
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Esophageal Perforation-II: Clinical Manifestations and Management01:28

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Esophageal perforations manifest in various clinical forms, influenced by factors such as the perforation's cause and location (cervical, intrathoracic, or intra-abdominal), the extent of contamination, and potential injury to adjacent mediastinal structures. The timing between the perforation occurrence and treatment initiation also affects the clinical presentation.
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Esophageal strictures involve abnormal narrowing or tightening of the esophagus. They vary in length and severity, ranging from mild constriction to complete obstruction, and are classified as benign (noncancerous) or malignant (cancerous).
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Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
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Barrett's esophagus is a medical condition where the esophageal mucosa is significantly damaged by stomach acid or other digestive fluids, often due to long-term exposure associated with gastroesophageal reflux disease (GERD). In GERD, a weakened or abnormally relaxed lower esophageal sphincter allows stomach acid to flow persistently into the esophagus.
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Worldwide Esophageal Cancer Collaboration: clinical staging data.

T W Rice1, C Apperson-Hansen2, L M DiPaola3

  • 1Cleveland Clinic, Cleveland, Ohio, USA. ricet@ccf.org.

Diseases of the Esophagus : Official Journal of the International Society for Diseases of the Esophagus
|October 13, 2016
PubMed
Summary

Clinical staging for esophageal cancer does not predict survival outcomes as accurately as pathologic staging. This discrepancy impacts treatment decisions and prognostication accuracy for patients.

Keywords:
cancer stagingdata sharingdecision-makingprognosticationsurvival

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Area of Science:

  • Oncology
  • Cancer Research
  • Clinical Epidemiology

Background:

  • Clinical staging (cTNM) for esophageal cancer is used for treatment decisions, but its prognostic accuracy compared to pathologic staging (pTNM) is uncertain.
  • Existing data suggest potential discrepancies between clinical and pathologic staging implications.

Purpose of the Study:

  • To compare the prognostic implications of clinical stage groupings (cTNM) with pathologic stage groupings (pTNM) for esophageal cancer.
  • To evaluate survival data based on clinical staging in a large international cohort.

Main Methods:

  • Utilized data from the Worldwide Esophageal Cancer Collaboration (WECC) including 22,123 clinically staged patients from 33 institutions.
  • Collected data on patient demographics, comorbidities, clinical cancer categories, and all-cause mortality.
  • Performed non-risk-adjusted survival analysis based on clinical tumor (cT), node (cN), and metastasis (cM) categories.

Main Results:

  • Survival for squamous cell carcinoma was not distinct for early versus advanced clinical T or N stages.
  • Adenocarcinoma survival showed distinct differences for early versus advanced clinical T stages and for cN0 versus cN+.
  • Patients with early clinical cancers had worse survival, and those with advanced cancers had better survival than expected from equivalent pathologic categories.

Conclusions:

  • Clinical and pathologic staging categories for esophageal cancer do not share the same prognostic implications.
  • The inaccuracy of clinical staging complicates treatment decisions and pre-treatment prognostication.
  • Findings will inform the 8th edition of cancer staging manuals and guide future data collection for the 9th edition.