The difference between esophagitis and esophageal cancer.

Written by Zhai Guo Dong

Gastroenterology

Updated on September 24, 2024

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Esophagitis and esophageal cancer have essential differences. Esophagitis is merely an inflammatory disease, which is relatively common in clinical settings and often related to excessive stomach acid, acid reflux, or other physical and chemical irritants. Esophageal cancer, on the other hand, is a malignant tumor. The mechanisms of their development, as well as the differences in prognosis and treatment plans, are very significant.

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What are the symptoms of esophageal cancer recurrence?

The symptoms of recurrent esophageal cancer are similar to those at its initial onset, primarily characterized by difficulties in swallowing and eating obstructions. Some may also experience nausea, vomiting, and reflux symptoms of the digestive tract. Of course, when recurrence occurs, if there are metastases to other distant organs, then clinical manifestations corresponding to those metastatic locations will appear. For example, if esophageal cancer metastasizes to the lungs, it could lead to coughing, expectoration, shortness of breath, or chest pain, and even clinical symptoms related to coughing up blood. If there is liver metastasis from esophageal cancer, symptoms might include abdominal pain, fatigue, poor appetite, and even ascites among other clinical manifestations related to liver metastasis.

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What are the symptoms of esophageal cancer?

The symptoms of esophageal cancer generally include progressive difficulty in swallowing, because the esophagus itself is a tubular cavity, similar to a water pipe. Esophageal cancer typically forms a tumor within this tubular cavity, creating an obstruction. Consequently, the most common symptoms include difficulty swallowing and a sensation of blockage during eating, since food must pass through the esophagus. Other symptoms can include nausea, vomiting, acid reflux, heartburn, and pain below the breastbone. Moreover, the difficulty in swallowing generally worsens progressively, as the tumor grows from small to large, increasingly narrowing the esophagus and exacerbating the swallowing difficulties.

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Written by Wang Kun

Surgical Oncology

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How is esophageal cancer treated if it has not spread?

If esophageal cancer is clinically assessed as not having spread, surgical treatment is the first choice for patients. Since esophageal cancer surgery is a major operation, it is recommended that patients undergo surgery in a specialized hospital. Of course, for some older patients with poor cardiopulmonary function, if the pathology is squamous cell carcinoma, it is advisable to consider radiotherapy, because this tumor is relatively sensitive to radiation and often achieves better clinical outcomes. However, compared to surgical resection, the effects might be less favorable. For patients in generally good condition, surgery combined with radiation therapy can reduce the likelihood of postoperative recurrence and metastasis.

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Will esophageal cancer recur after resection?

After the removal of esophageal cancer, there is indeed a possibility of recurrence. This is because not only are there tumors on the esophagus, but some mediastinal lymph nodes around the esophagus may also have metastasized. It must be acknowledged that thoracic surgeons will definitely remove the tumor completely during surgery, but they can only remove the tumors that are visible to the naked eye. Many tumor cells that cannot be seen by the naked eye are impossible to remove. If the cancer is at a relatively advanced stage, many of these invisible tumor cells cannot be eliminated, just like air is invisible but still exists. Therefore, invisible does not mean there are no cancer cells. Thus, if there is no follow-up auxiliary treatment to kill the cancer cells, the cancer may very likely recur.

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Esophageal cancer T3 belongs to which stage?

For the staging of esophageal cancer, it not only depends on the T stage, but also on the N and M stages. If we are just considering the T stage, it is T3. If there are no N0 and M0 stages, it is relatively early and surgery can be considered. However, if looking only at T3 and the N stage involves lymph node involvement (N1, N2, or N3), with regional or distant lymph node metastasis, then the staging of the esophageal cancer is relatively late. Furthermore, if there is an M stage, which indicates the presence of distant organ metastasis, then it is classified as advanced stage. Therefore, the T stage alone for esophageal cancer does not determine whether it is early, intermediate, or late stage. It is necessary to look in conjunction with the N and M stages to determine the overall staging.