The blood supply of pulmonary matastasis was enhanced if the neopiasm was near to the inner region of the lung. Among 70 lesions in embolization group,30 obtained CR,25 PR,10 NC and 5 PD and the response rate was 78.6%.

• 行支气管动脉栓塞后完全缓解(CR)30枚；部分缓解(PR)25枚；无变化(NC)10枚；进展(PD)5枚；总有效率78.；6%25。