Which of the Following Statements Regarding Prognosis in Lung Cancer

Which of the following statements regarding prognosis in lung cancer is true?

A) Combined modality therapy (chemotherapy, radiation therapy and surgery) has improved overall lung cancer survival to 40% at 5 years.
B) Overall lung cancer survival is < 15% at 5 years.
C) Patients undergoing radiation therapy have a 5 year survival of 40%.
D) Patients who qualify for surgery have a 50% 5 year survival.
E) With chemotherapy, overall survival in small cell (oat cell) carcinomas has risen to 60% at 5 years.