What does primary cancer mean?

Primary cancer refers to the primary site of cancer. It refers to the cancer caused by cancer in organs and tissues of the body under the action of various internal and external carcinogenic factors. Primary cancer can occur in organs and tissues of the body. once diagnosed clinically, surgical indications are preferred for surgical resection. After surgery, based on the results of major pathological diagnosis and immunohistochemistry, auxiliary follow-up radiotherapy and chemotherapy, endocrine therapy, targeted drug therapy, and comprehensive treatment can enhance the treatment effect and improve the cure rate. In addition to primary cancer, there is also a type called secondary cancer. Sexual cancer is a cancer caused by cancer cells migrating from the primary site to other parts of the body through lymph, blood, etc., such as lung cancer, liver metastasis, etc.