a history of non-standard treatment(chemotherapy or surgery)
secondary osteosarcoma or well-differentiated parosteal osteosarcoma
evident dysfunction of cardia,liver and kidney, or pregnant women or women during lactation

NCT01669369_exc_T1
Procedure
non-standard treatment
NCT01669369_exc_T2
Procedure
chemotherapy
NCT01669369_exc_T3
Procedure
surgery
NCT01669369_exc_T4
Scope
chemotherapy or surgery
NCT01669369_exc_T5
Observation
history
NCT01669369_exc_T6
Condition
secondary osteosarcoma
NCT01669369_exc_T7
Condition
parosteal osteosarcoma
NCT01669369_exc_T8
Qualifier
well-differentiated
NCT01669369_exc_T9
Condition
dysfunction of cardia
NCT01669369_exc_T10
Condition
sfunction of c dney,
NCT01669369_exc_T11
Condition
sfunction of c ver a
NCT01669369_exc_T12
Condition
pregnant
NCT01669369_exc_T13
Condition
lactation