8. 4 weeks before enrollment, patients appeared NCI CTC AE grading >1 pulmonary hemorrhage; 4 weeks before enrollment, patients who appeared NCI CTC AE grade> 2 had other parts of the bleeding; patients have a tendency to bleed (e.g active peptic ulcer) or are receiving thrombolytic or anticoagulant therapy such as Warfarin, heparin or its analogues;