esophageal cancer
Let an agent explain oesophageal cancer and its types in general terms from oncology guidelines, describe risk factors, symptoms, diagnosis and treatment approaches, and route personal questions to clinicians.
Research draft, second pass
A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.
written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify
Researched by: Claude
Purpose and description
Let an agent explain oesophageal cancer and its types in general terms from oncology guidelines, describe risk factors, symptoms, diagnosis and treatment approaches, and route personal questions to clinicians.
Cancer arising in the oesophagus, chiefly squamous cell carcinoma, common in parts of Asia and Africa and linked to tobacco, alcohol and hot beverages, and adenocarcinoma, rising in Western countries and linked to reflux, Barrett oesophagus and obesity, with rare types such as neuroendocrine tumours, adenosquamous carcinoma, melanoma, sarcoma and granular cell tumours; oesophageal cancer often presents late with swallowing difficulty and is treated with surgery, chemotherapy, radiotherapy and immunotherapy.
What it is for: Not applicable; a cancer.
It can be explain types and risk factors; relay symptoms and diagnosis; relay treatment approaches; route personal questions.
Distinguishing features
Two main histologies
Geographic variation
Late presentation
Multimodal treatment
What it looks like
Not a visible object; a tumour seen at endoscopy.
Physical character
new cases worldwide: about 510000 per year - GLOBOCAN 2022
five-year survival: about 20 percent - overall, varies by stage
How it is recognised
Malignant tumour of the oesophagus
Squamous cell carcinoma, adenocarcinoma and rare types
Barrett oesophagus is a precursor; gastric cancer arises in the stomach
Related models
is a kind of - in registry terms
is a kind of - in registry terms
is preceded by - for adenocarcinoma
is diagnosed by - with biopsy
In practice
Families and kinds
squamous cell carcinoma
adenocarcinoma
adenosquamous carcinoma
neuroendocrine tumours
rare types such as melanoma, sarcoma and granular cell tumours
cancers by site such as the thoracic oesophagus
Identifiers
ICD-11 2B70 malignant neoplasms of oesophagus
MeSH D004938 esophageal neoplasms
Standards and regulation
ESMO, NCCN and other oncology guidelines
Cancer registration standards
Drug approvals for targeted and immunotherapies
Failure modes and hazards
Late diagnosis
Agents giving personal medical advice
Confusing types and sites
Treatment complications
Also called
Where this came from
wikidata · CC0 1.0
Drafted structure
Bundle to layer to finding to question, as the second pass will find it: 4 bundles · 8 layers · 8 findings · 16 questions.
Help Getting help first.
Safety.
Signs
Warning signs.
Signs
Signs.
- What symptoms such as difficulty swallowing or weight loss need prompt assessment? action
- Is the user describing such symptoms, which need a clinician promptly? boundary
Care
Specialist care.
Care
Care.
- How is oesophageal cancer diagnosed and staged by specialists, in general terms? provenance
- Is the user asking about their own diagnosis, which needs their oncology team? boundary
Understand The cancer.
Clinical.
Types
Types and risk factors.
Types
Types.
- What types of oesophageal cancer exist, and what are the risk factors for each? definition
- Is the question about oesophageal cancer, Barrett oesophagus or gastric cancer? boundary
Geography
Epidemiology.
Geography
Geography.
- How does incidence vary worldwide, and why, with sources? provenance
- Which sources are cited? provenance
Treat Treatment.
Clinical.
Treatment
Treatment.
Treatment
Treatment.
- What treatments do guidelines recommend by stage and type, in general terms? provenance
- Which references are standard? provenance
Outcomes
Outcomes and support.
Outcomes
Outcomes.
- What are the outcomes, and what nutritional and supportive care exists? provenance
- Which entry fits cancer supportive care? action
Context Prevention and research.
Context.
Prevention
Prevention and screening.
Prevention
Prevention.
- What prevention advice and screening exist, including surveillance of Barrett oesophagus? provenance
- Which entry fits Barrett esophagus? action
Research
Research.
Research
Research.
- What research is advancing early detection and treatment, with findings attributed? provenance
- Which entry fits oncology research? action
What the second pass must settle
- Should squamous cell carcinoma and adenocarcinoma be separate primary entries?
- How should guidelines be linked?
- The registry entry has merged aliases naming rare types and sites; should they be split off?