Esophageal cancer is a common digestive tract cancer, and about 300 thousand people die each year in the world. The peak age of esophagus cancer patient are range from 50 to 70 with more males.
When esophageal cancer first starts to develop, there are often no obvious symptoms and signs. But the development as the esophageal cancer and exasperate degree, the symptoms can become more obvious. Esophageal Cancer signs and symptoms may include:
There may be a feeling of discomfort when swallowing coarse food (bread or beef), such as choking feeling, pains like chafe and pinking.
Moderate advanced symptoms:
Typical symptoms of esophageal cancer are dysphagia. At first, you can eat coarser and dry foods, but difficult to swallow. As the disease progresses, even liquid diet may become painful or difficult to swallow. Finally can't swallow water and saliva.
Weight Loss: Because swallowing food is difficult, which leads to reduce your appetite.
Hoarse voice and Coughing : If the tumor invading your laryngeal nerve, which may leads to hoarse voice; If the tumor invading your Trachea, which may leads to coughing.
Throat pain or Chest pain
It's often hard to say exactly what causes esophageal cancer. But research has pointed to several possible risk factors, the possible risk factors for esophageal cancer include:
Like very hot food
Long term drinking and smoking
Eat too fast
Obesity and overweight:
Obese and overweight people are at high risk of having esophageal cancer.
A lack of vitamin: A lack of vitamin may increase your risk of developing esophageal cancer.
A lack of certain trace elements: Such as molybdenum, iron, zinc, fluorine, selenium, etc.
Long-term exposure to chemicals: Such as nitrosamines, silica dust, etc. Studies show that nitrosamines may cause esophageal cancer in man.
Previous cancer treatment: Radiation therapy to chest, throat and upper abdomen.
Patients with reflux disease or bile reflux: Stomach acid often flows into the esophagus and stimulate the esophagus, which may induce the DNA changes that cause esophageal cancer.
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