Will esophageal cancer recur after resection?

Written by Peng Li Bo
Oncology
Updated on September 02, 2024
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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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Written by Peng Li Bo
Oncology
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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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Written by Peng Li Bo
Oncology
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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.

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Written by Peng Li Bo
Oncology
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Esophageal cancer screening methods

The best and clearest method for screening esophageal cancer is still gastroscopy, which can also be referred to as esophagoscopy. Endoscopic examination is very significant for this type of luminal tumor. Of course, if some people truly cannot tolerate a gastroscopic exam, they might consider initially undergoing a barium meal for the esophagus or iodized oil radiography for diagnosis. Additionally, a chest CT scan can be performed to determine whether there is narrowing in the esophageal lumen or if there is metastasis in the surrounding lymph nodes, among other issues. However, the best and most important method is certainly the esophagoscopy, or taking a biopsy of the pathological tissue under gastroscopy, which is very important for the definitive diagnosis of esophageal cancer.

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Written by Peng Li Bo
Oncology
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Typical symptoms of esophageal cancer

The most typical symptom of esophageal cancer is progressive difficulty swallowing, and a progressive sensation of swallowing obstruction is the most typical symptom. It's actually quite simple; the esophagus is akin to a water pipe or a tubular cavity. Esophageal cancer is like having a tumor grow inside this cavity, similar to something blocking the pipe, which causes the flow of water to be impeded. However, not only water passes through this esophagus, but also food. Therefore, if there's something inside the cavity, both water and food cannot pass through, leading to this difficulty swallowing and discomfort while swallowing.

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Written by Liu Liang
Oncology
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How is esophageal cancer staged?

The staging of esophageal cancer includes a preoperative clinical staging and a postoperative pathological staging. Clinical staging involves completing various systemic examinations, determining the extent of the tumor, whether there are lymph node metastases, and whether there are distant metastases to organs such as the liver and lungs. This requires thorough assessments, including esophageal endoscopic ultrasound and whole-body examinations like PET-CT, to conduct clinical staging. Postoperative pathological staging, on the other hand, is determined based on the depth of tumor invasion reached during surgery and the status of lymph node metastasis, among other factors.