Maybe 3-5 months. If the diet is still normal, there will be hope for more than half a year. Lung cancer is the most common primary malignant tumor in the lung. Generally, there are no symptoms in the early stage, and symptoms caused by cough, hemoptysis, chest pain, fever, shortness of breath, emaciation, hypertrophic osteoarthropathy and cancer oppression or metastasis only appear in the late stage. Lung cancer: Prunella vulgaris 30g, seaweed 30g, kelp 30g, raw oyster 30g, salvia miltiorrhiza 30g, Xu Changqing 30g, Cortex Moutan 9g, Fructus Trichosanthis15g, Radix Rehmanniae 30g, Flos Chrysanthemi Indici 30g, Semen Vaccariae 30g, Folium Tieye 30g, Shuyangquan 30g and Wang Jiangnan 30g. Rhizoma Pinelliae 12g, Pericarpium Citri Reticulatae 9g, Folium Eriobotryae (parched) 9g, Rhizoma Zingiberis Recens 2g, Semen Sinapis Albae 30g, Radix Sanguisorbae 12g, Herba Cirsii Cirsii 12g, Radix Ophiopogonis 15g, and Herba et Gemma Agrimoniae 30g for hemoptysis. Decoct with water, one dose per day.