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Tumor markers are an important tool in modern diagnostics and monitoring of tumor diseases. One such tumor marker is CA 72-4, which helps detect tumors of the stomach and other organs. In this text, we will consider what this marker is, how it is used for diagnosis, and why it is important to detect tumors in time.

CA 72-4 is a glycoprotein that is produced by tumor cells in the stomach and other organs, such as the ovaries, uterus, colon, and liver. This marker becomes higher in the blood of patients with tumors of these organs. The detection of CA 72-4 in a patient may indicate the presence of a tumor or serve as an indicator of the effectiveness of treatment.

Diagnosis using CA 72-4 involves taking a patient's blood and measuring the level of this marker. Elevated levels of CA 72-4 may indicate a possible tumor. However, it is important to note that elevated levels of this marker do not always mean the presence of a tumor, as other conditions, such as inflammation or other diseases, can also cause changes in CA 72-4 levels.

CA 72-4 is often used in conjunction with other diagnostic methods, such as examination of the stomach by gastroscopy, ultrasound, computed tomography, and other imaging methods. When elevated levels of CA 72-4 are accompanied by positive results from these examinations, it may be a more significant indicator of the presence of a tumor.

It is important to remember that CA 72-4 is not an absolute diagnostic sign of tumors, and its use should be combined with other diagnostic methods and clinical examination. Elevated levels of this marker may also indicate tumor recurrence or spread, which helps doctors in developing a treatment plan and monitoring the patient's condition.

An important advantage of using tumor markers such as CA 72-4 is their non-invasive nature. No surgical procedure is required to obtain blood for analysis, and this method can be used to regularly monitor patients during and after treatment.

In conclusion, CA 72-4 is one of many tumor markers used to diagnose tumors of the stomach and other organs. This marker can be a useful tool in detecting tumors and monitoring their treatment. However, it should be used in conjunction with other diagnostic methods and clinical examination to obtain an accurate picture of the patient's condition. Early diagnosis of tumors helps to improve the prognosis and treatment outcomes, so it is important to consider the role of tumor markers in medical practice.