Q. Which of the following is true regarding various stages of lung cancer and the possibility of having distant metastases and occult disease?
A. For clinical stage I by CT the incidence of distant meta is 5%
B. For clinical stage II the incidence of distant mets is 15-20%
C. For clinical stage III the incidence of occult disease is 25-30%
D. all of the above
Answer: all of the above
