Four nervous system symptoms: brain metastases from lung cancer, there will be a headache, vomiting, coma suddenly, aphasia, hemiplegia and nervous system symptoms, lung muscle, and often misdiagnosed as thrombosis, cerebral tumors.

• 神经系统症状：肺癌脑转移可出现头痛、呕吐、突然昏迷、失语、偏瘫等神经系统症状，因肺部症状不明显，常误诊为及血栓、脑肿瘤。