Patients must not have received any major surgery or immunotherapy within 28 days prior to registration No major surgery =< 4 weeks before pre-registration No major surgery =< 14 days prior to registration No major surgery within 28 days prior to registration Patient must have not had any major surgery or radiation within 28 days prior to step 1 registration; diagnostic thoracotomies and laparoscopies are not considered major surgeries Patients who have undergone major surgery within 4 weeks prior to registration are not eligible Patients who have had major surgery within 4 weeks prior to registration are not eligible A minimum of 4 weeks from any major surgery prior to registration No history of major surgery =< 28 days of registration Major surgery =< 14 days before study registration Major surgery other than diagnostic surgery =< 4 weeks prior to registration Major surgery =< 14 days prior to study registration Major surgery ? 14 days prior to study registration Major surgery =< 4 weeks prior to registration Major surgery within 28 days of registration Major surgery =< 4 weeks prior to registration Major surgery =<14 days prior to registration Major surgery other than diagnostic surgery =< 4 weeks prior to registration Major surgery =< 4 weeks prior to registration Major surgery =< 14 days prior to registration A minimum of 4 weeks from any major surgery prior to registration Major surgery =< 14 days prior to registration Patients who have had major surgery within 4 weeks prior to registration are not eligible Major surgery =< 4 weeks prior to registration Major surgery =< 14 days before study registration Major surgery =< 28 days prior to registration Major surgery =< 4 weeks prior to registration Patients who have had major surgery within 4 weeks prior to study registration or those who have not recovered from complications from a surgery more than 4 weeks prior to registration Major surgery within 28 days prior to study registration or those patients who have not recovered adequately from prior surgery Major surgery within 4 weeks of registration is prohibited Major surgery (e.g. thoracic, abdominal, vascular, neurosurgery) within 28 days prior to registration on the study Major surgery within 4 weeks prior to registration Major surgery =< 14 days before study registration Major surgery =< 14 days prior to study registration Patients who have undergone major surgery within 21 days prior to registration are NOT eligible for participation Major surgery within 4 weeks of registration Major surgery =< 3 weeks prior to registration or failure to adequately recover from surgery Major surgery =< 14 days prior to study registration Patients who have had major surgery within one month (28 days) prior to registration are not eligible Major surgery within 28 days (four weeks) prior to registration. No history of major surgery =< 14 days prior to registration Major surgery =< 4 weeks prior to registration of the study or who have not recovered from prior surgery regardless of time since surgery Prior systemic chemotherapy, radiation therapy or major surgery =< 30 days prior to registration Major surgery =< 28 days prior to registration Major surgery within 4 weeks of registration Major surgery, chemotherapy, hormonal or immunologic therapy =< 3 weeks prior to registration Major surgery =< 4 weeks prior to registration of the study or who have not recovered from prior surgery Major surgery within 4 weeks of registration is prohibited Major surgery within 14 days before study registration Major surgery within 28 days prior to registration REGISTRATION #2: SURGERY Any major surgery =< 28 days prior to registration Major surgery =< 14 days prior to registration Surgery >= 4 weeks prior to registration Major surgery within 30 days prior to registration Major surgery =< 28 days prior to registration Major surgery other than diagnostic surgery =< 4 weeks prior to registration