Introduction
Esophageal cancer develops in the lining of the esophagus, the muscular tube connecting the throat to the stomach. It's a serious diagnosis that's unfortunately still often made late, largely because early symptoms are subtle and progress gradually. Understanding the specific type involved matters a great deal, because the two main types of esophageal cancer have genuinely different causes, typical locations within the esophagus, and risk factors — treating them as a single entity misses that distinction entirely.
Two different diseases sharing one name
Esophageal cancer isn't one disease. Squamous cell carcinoma (SCC) and adenocarcinoma are histologically and causally distinct, and in India, SCC is by far the more common of the two, accounting for up to 80% of cases — the opposite of the pattern now seen in the West, where adenocarcinoma has become more common (see the Barrett's Esophagus page for more detail on that side of the picture).
| Squamous cell carcinoma | Adenocarcinoma | |
|---|---|---|
| Share of Indian cases | Up to ~80% | A smaller, rising share |
| Main causes | Tobacco (all forms), alcohol, hot beverages, poor nutrition | Chronic GERD, Barrett's esophagus, obesity |
| Typical location | Middle or upper esophagus | Lower esophagus, near the stomach junction |
What causes esophageal squamous cell carcinoma — the more common type in India
- Tobacco use in any form — chewing tobacco and gutka, bidis, cigarettes, and hookah are all implicated, with roughly a third of Indian adults reported to use tobacco in some form
- Alcohol use, and particularly the combination of tobacco and alcohol together
- Regularly drinking very hot beverages, especially tea — thermal injury to the esophageal lining from repeated exposure to very hot drinks is a recognized, modifiable risk factor
- Poor nutrition and low intake of fresh fruits and vegetables
- Betel leaf (pan) chewing with tobacco
- Regional dietary and soil factors, including selenium-deficient soil in some areas, have also been studied as contributing factors
What causes esophageal adenocarcinoma
- Chronic, long-standing GERD
- Barrett's esophagus — see the dedicated page for more detail on this specific pathway
- Obesity
- Smoking (a risk factor for both types)
Symptoms of esophageal cancer
- Progressive difficulty swallowing (dysphagia) — usually starting with solid foods and, as it advances, extending to liquids
- Unintended weight loss
- Chest pain or discomfort, particularly with swallowing
- A persistent cough or hoarseness
- Regurgitation of food
Why esophageal cancer is often diagnosed late
Difficulty swallowing tends to develop very gradually, and many people unconsciously adapt — eating smaller bites, chewing more, switching to softer foods — long before recognizing or reporting it as a genuine problem. By the time swallowing difficulty becomes obvious enough to prompt a doctor's visit, the disease has often progressed significantly. This is exactly why new or gradually worsening difficulty swallowing, however mild, deserves prompt evaluation rather than being managed by quietly changing what you eat.
How esophageal cancer is diagnosed
- Upper GI endoscopy with biopsy — the definitive diagnostic test
- CT scan and endoscopic ultrasound (EUS) — used to assess the extent of disease and guide treatment planning
- PET scan, in some cases, to check for spread beyond the esophagus
Esophageal cancer treatment: matched to stage
- Very early disease confined to the esophageal lining: endoscopic resection can sometimes treat it directly, without surgery
- Locally advanced disease: typically involves a combination of surgery, chemotherapy, and/or radiation, tailored to the individual case
- Advanced or metastatic disease: managed with systemic therapy, with treatment goals discussed individually
- As with gastric cancer, esophageal cancer treatment planning is multidisciplinary, involving gastroenterology alongside surgical and medical oncology
Reducing your risk
- Avoiding all forms of tobacco — chewing tobacco, bidis, cigarettes, and hookah all carry risk, not just cigarette smoking specifically
- Moderating alcohol intake, particularly avoiding the combination of tobacco and alcohol together
- Letting tea and other hot beverages cool before drinking, rather than consuming them very hot
- A diet with adequate fresh fruits and vegetables
- Properly managing chronic GERD and attending recommended surveillance if you have Barrett's esophagus
Esophageal cancer care at KAGE
Esophageal cancer is curable when it is caught early, which is why new difficulty swallowing is scoped rather than watched. Our gastroenterologists stage the disease with endoscopy and EUS, and remove early lesions endoscopically where the depth allows the esophagus to be preserved. Where alcohol and tobacco are the underlying risk, the Alcohol Clinic runs alongside treatment. If swallowing has changed, book a consultation without waiting.
Frequently asked questions
Habitually drinking very hot beverages, including tea, is a recognized risk factor for esophageal squamous cell carcinoma, thought to work through repeated thermal injury to the esophageal lining. Letting beverages cool somewhat before drinking is a simple, modifiable step.
Yes — chewing tobacco, gutka, bidis, cigarettes, and hookah are all associated with increased esophageal squamous cell carcinoma risk, not just cigarette smoking specifically.
New or gradually worsening difficulty swallowing, even if you've been unconsciously adapting your diet to manage it, is the symptom to take seriously and have evaluated promptly.
Diagnostic evaluation is generally covered under standard health insurance; coverage for treatment, particularly surgery and oncology care, depends on your specific policy. Our team can help clarify coverage and coordinate with oncology partners as needed.
Only when caught very early, with disease confined to the esophageal lining — in that case, endoscopic resection may be possible. More advanced disease generally requires surgery, chemotherapy, or radiation, often in combination.
No — most people with Barrett's esophagus never progress to cancer. Regular surveillance, covered on the Barrett's Esophagus page, is what allows early detection for the small proportion who do.
Yes — quitting at any point reduces ongoing risk, even after years of use, and remains one of the most effective steps someone can take.
They occur in different organs with some overlapping risk factors, but esophageal cancer specifically involves the tube connecting the throat to the stomach, while gastric cancer involves the stomach itself — see the Gastric Cancer page for that condition specifically.
Avoiding all forms of tobacco, moderating alcohol, letting hot beverages cool before drinking, maintaining good nutrition, and managing GERD or Barrett's esophagus if present all meaningfully reduce risk, though no measure eliminates it entirely.
Book a consultation at KAGE
Speak to a KAGE gastroenterologist about your symptoms, your diagnosis, or a second opinion.