a)my father diagnosed first In March, 2009 it has been diagnosed that he has attacked by Lung Cancer under diagnose by study Pleural Fluid/Pleural Tissue as “Metastatic Adenocarcinoma” in his right lung. After then b) As per decision of doctor he start to take ‘Chemo Therapy’ consisted by ‘Gemcetabine 1400mg (three times in each 28 days cycle) + Cisplatin 60mg (two times in each 28 days cycle)’ from 30th May, 2009 and completed 6 cycles and stayed under continuous follow-up of his Oncologist near about 01 year. But during the period of follow-up he had suffering from many complexities like Dry Cough , pain in Right chest , fever and weakness. Then after his doctor decided to give ‘Radio Therapy’ in Feb, 2011 and he completed 10 days radio therapy. c) Now, he has feeling pain in his Right Chest, Respiration problem and suffering from Dry Cough and weakness. At last his doctor prescribed on 10th April for taking 60 (Sixty) ‘Tablet ERLOTINIB’ 150mg’ 01 per day. he is taking 01 Tablet everyday from 11th April, 2011 to till and could not find any significant response. On the other hand his RBS has been raised suddenly in May & June’11 by 12.32(after meal ) yet too he is a non diabetic patient. d) In June 2011 it was diagnosed that his right lung fully damage.now what type of treatment he needs for remaining other organ or left lung not affected?