Q. According to the Veterans Administration Lung Study Group (VALSG), limited stage (LS) small cell lung cancer is defined as :
A. Disease confined to one hemithorax that can be encompassed in a tolerable radiation field
B. Disease that can be treated with four cycles of radiation concurrent with chemo and not involving opposite side mediastinal nodes
C. Disease involving less than 90% of one lung and at most contralateral scalene nymph nodes
D. none of the above
Answer: Disease confined to one hemithorax that can be encompassed in a tolerable radiation field
