I am so confused. My Father has been diagnosed with NSCLC. The Dr's have only given him 6-12 weeks. He also has major underlying issues, such as emphysema, COPD, and CHF. I live 1200 miles away from him and I am unable to find the answers I seek. Can anyone tell me in laymans terms what CK7, CK20, and TTF+ means? I know that due to my Dad's underlying issues, treatment in not an option, and that death is quickly moving in, but any infomation would be greatly appreciated.