Is lung cancer contagious? Why is lung cancer difficult to detect?

Lung cancer is a very common malignant tumor disease in life. In the early stages, many patients will not feel the presence of lung cancer until it is diagnosed in the later stages. This will cause great trouble to the patient's treatment. It is necessary for patients to pay attention to some reasonable improvements. There are also many things to pay attention to for this disease. Patients must first pay attention to timely treatment.

Lung cancer affects a wide range of patients in life, and there is no age limit. Patients include both children and the elderly. In the early stages, many patients will not pay attention to subtle symptoms and miss the best time for treatment, causing great harm to the patient's body and mind. Therefore, patients should pay attention to changes in their own symptoms. The following will introduce some knowledge about lung cancer to patients, hoping that it will be helpful for the treatment of patients.

Lung cancer is a malignant tumor caused by the abnormal proliferation of local cells and the loss of normal cell morphology and dynamics due to the action of multiple different carcinogenic factors. Cancer cells can easily grow and multiply in vitro, causing damage to human organs and causing symptoms of systemic failure. Therefore, cancer is not contagious, and lung cancer is not contagious at all. This is a point that needs to be emphasized, so everyone can rest assured.

Early stage lung cancer patients may experience irritating coughs, low-grade fever and other symptoms. After the tumor blocks the bronchus, the patient will feel unwell. In mild cases, there is only a low-grade fever, while in severe cases, there is a high fever and chest pain. Early stage lung cancer patients mainly experience dull pain and dull pain. Once the pain persists, it means that the cancer may have affected the pleura.

Lung cancer is difficult to detect in its early stages because the early symptoms are mild and patients may not feel the onset of symptoms. The symptoms of lung cancer are closely related to the location where the lung cancer grows. For tumors growing in the bronchus, symptoms such as coughing, blood in sputum, and chest tightness may occur in the early stages of the disease. Patients should pay attention to changes in physical symptoms, and reasonable improvements are very important for patients.