The formation of esophageal cancer from the normal esophageal mucosa epithelium cell receptors to stimulate a variety of factors both inside and outside gradually turned into cancer. From normal epithelium to develop into cancer is not clear yet how long it takes, in general, from the proliferation of esophageal epithelial severe to develop into cancer, take many years, cancer developed by the early to mid-late stage cancer, take about a year.

In the past that there are no symptoms of early esophageal cancer and the signal is wrong. Because these signals with mild symptoms, time is now hidden when not treated can be automatically disappear, they have been neglected patients and doctors can not be further diagnosed and then lose the best time of their treatment. In fact, the vast majority of patients with early stage esophageal cancer have experienced different types and degrees of symptoms, if found to have the following symptoms should be watchful.

1. Pharynx food there is a sense of such a choke symptoms of the most common. Some patients can even clearly recall the first time took place. These symptoms can go away without treatment, a few days or a few months later again, after the frequency and choke a sense of the extent of the increase.

2. Retrosternal pain and hypopharynx have a pain in the esophagus when the symptoms are more prevalent. Esophagus during or after eating chest pain, was burning sensation, pins and needles, pulling sensation or a sense of friction. Big mouth swallowing rough or hot food pain increased, the small mouth swallowing thin or cold food temperature is less pain. In pain generally higher than the actual length of the part of cancer higher. Esophageal cancer, pain can occur in the upper abdomen. A few days later after treatment, or medication can ease the pain.

Improper eating or emotional fluctuations pain will emerge. This situation will be repeated.

3. Esophageal foreign body sensation in conscious patients with eating a particular food stiff scratched esophagus, have food attached to the wall of esophagus, pharynx not go.

4. Food, slow down and have a sense of food remaining when the patient through the esophagus was carefree as before, the Food and down slowly, or even look at somewhere to stay. This feeling has nothing to do with food in nature, and sometimes the feeling of drinking water will also appear.

5. Throat are dry and tight feeling can be accompanied by a slight pain, and sometimes emotional wave dynamics related to the patient.

6. Sternum swelling sense of nausea after the patients often can not specifically describe the feeling, only saying that chest discomfort.

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