What is lung metastases

summary

Lung metastases are actually metastases from other tumors to the lung. Most of these tumors are malignant, and there is no particularly good treatment. I believe most people do not know much about this kind of tumor. Let's introduce what lung metastases are.

What is lung metastases

First, according to the statistics of clinical data, 20-30% of the cases died of malignant tumors have lung metastases. The time of lung metastasis of malignant tumor is different. Most cases have metastasis within 3 years after the appearance of primary tumor, and some cases have metastasis for more than 10 years. But there are also a few cases with lung metastasis found earlier than the primary tumor.

Second: lung metastases come from malignant tumors in other parts of the body. Most of the primary malignant tumors metastasized to the lung come from the breast, bone, digestive tract and genitourinary system. Hematogenous dissemination, lymphatic metastasis, or direct invasion of adjacent organs are the main routes. Choriocarcinoma and breast cancer are the most common, followed by malignant soft tissue tumor, liver cancer, osteophyte and pancreatic cancer, thyroid cancer, renal cancer, prostate cancer and renal embryonal cancer.

Third: the clinical manifestations of lung metastases are different, most patients with primary tumor have developed to advanced stage and the primary tumor is the main manifestation, often accompanied by cachexia. The X-ray findings of some patients with lung metastases were not found in the routine examination. Sometimes lung metastasis occurs several years after primary tumor resection.

matters needing attention

This kind of metastatic tumor can be transferred to any place in the body, and it may be transferred to the place we can't find in the next second, so it's difficult to carry out surgical treatment, but we still need to actively cooperate with the doctor.