What are the early symptoms of lung cancer brain metastasis and how long can you live after metastasis? When lung cancer develops to an advanced stage, metastasis often occurs, which will produce different symptoms according to different parts of metastasis, and more than half of lung cancer may have brain metastasis, so what are the symptoms of brain metastasis of lung cancer and how long can you live after metastasis? Today, I will introduce the eight symptoms of lung cancer brain metastasis and the knowledge about lung cancer metastasis, hoping that you can be alert in your normal life and get early detection and treatment as early as possible. 1.Eight symptoms of brain metastasis from lung cancer Headache Mostly severe headache, which often occurs in the early morning and sometimes wakes up in pain during sleep, but after getting up and light activity, this headache will gradually ease or disappear. Vomiting Due to the increase of intracranial pressure, the medulla oblongata respiratory center is stimulated, resulting in vomiting in the form of jets, and vomiting mostly occurs after a headache. Visual impairment Increased intracranial pressure can cause poor venous blood flow to the eye, leading to bruising and edema, which can damage the visual cells in the retina at the base of the eye, resulting in vision loss. Tinnitus and deafness This symptom is most often detected when talking on the phone, i.e., you can hear in one ear but not in the other, which is mostly a precursor of auditory neuroma. Mental abnormalities A brain tumor located in the frontal lobe of the brain can disrupt the mental activity of the frontal lobe, causing mental abnormalities such as restlessness, excitement, depression, forgetfulness, depression, and fiction. Unilateral limb sensory abnormalities or weakness The parietal lobe located in the middle of the cerebral hemisphere is specialized in sensation. Tumors in this area often cause unilateral limb pain, temperature, vibration and form discrimination sensation to be reduced or lost. Hemiplegia or staggering gait The cerebellar lesions are more specific, i.e. patients often develop hemiplegia or staggering drunken gait after vomiting, headache and visual disturbance. Phantom smell Temporal lobe tumors can be stimulated by phantom smell, i.e., patients can always smell an odor that does not exist, such as burnt rice or burnt rubber. 2. Common metastatic sites and symptoms of lung cancer Brain and central nervous system metastasis: specific symptoms include headache, vomiting, vertigo, seizure, etc.; liver metastasis: specific symptoms include loss of appetite, pain in liver area, jaundice, ascites, etc.; bone metastasis: specific symptoms include local pain and pain caused by pressure. In addition, metastatic nodules may appear under the skin, mostly located in the trunk or head. Lung cancer in the superficial part is mainly metastasis of lymph nodes in the neck, mostly seen in the supraclavicular fossa and the posterior lower part of the sternocleidomastoid muscle attachment. 3.How long can lung cancer live after brain metastasis Experts say that lung cancer brain metastasis is a more common phenomenon in late stage lung cancer. Clinical data shows that more than half of lung cancer will have brain metastasis. How long can one live after brain metastasis? Some statistics show that patients with brain metastasis will not survive for more than one year. However, with the development of modern medicine and the emergence of many new treatments, many patients with brain metastases can survive for a long time, 4 years, 5 years or even longer is possible. Clinical research proves that brain metastasis from lung cancer can achieve greater effect if combined with Chinese medicine. Radiotherapy combined with anti-tumor herbal medicine ginsenoside rg3 has better efficacy than tumor patients who received single surgery or radiotherapy, and can reduce the toxic side effects of radiotherapy, with good long-term efficacy and can control the growth and metastasis of tumor. In fact, as long as the brain metastases are well controlled, lung cancer will not affect the survival of patients too much.