Many friends found a small shadow on their lungs when doing chest X-rays or X-rays during physical examination. Most people will think of the word lung cancer, and then they are very nervous and scared. So is this little shadow really lung cancer? What should patients with pulmonary nodules pay attention to in life? Let''s take a look at the following.

　　Is a lung nodule a cancer< /p>

　　Actually, many people’s shadows of their lungs during chest X-rays, called small pulmonary nodules in medicine, generally do not have any symptoms or discomfort. They are only found accidentally by physical examination, most of them are one to two. The size of the centimeter. In medicine, this small shadow of the lung below 3 centimeters is called the lung nodule.

　　Medical small lung nodules below 3 cm are called lung nodules

　　Lung nodules are not necessarily all lung cancers. Pulmonary nodules can be divided into two types, benign and malignant. Benign nodules include pulmonary hamartoma, bronchial adenoma, inflammatory lesions (also called inflammatory pseudotumor), tuberculoma, etc. Benign pulmonary nodules are not harmful to the human body and rarely cause clinical symptoms.

　　Malignant pulmonary nodules include small lung cancer or early lung cancer, and metastatic cancer of the lung. In general, benign nodules and malignant nodules each account for a certain proportion of small nodules in the lungs. If physical examination finds small nodules in the lungs, there is no need to worry too much.

　　Most of the patients who come to the thoracic surgery clinic are chest X-rays or X-rays, or chest CT scans show that there are small nodules in the lungs. Outpatients will often encounter young patients. advisory. After discovering small nodules in the lungs, pay attention to some high-risk factors for lung tumors, such as old age, long-term smoking history or second-hand smoke, too much smoke inhalation, and previous malignant tumors in other parts.