Application of multiplane transesophageal echocardiography during surgical operation may help notifying the size and location of tumor thrombus and also help determinating the completeness of the thrombus removal.

• 手术中应用多面向经食道心?超音波，可协助了解心房内肿瘤血栓的位置与大小，并且能确定血栓摘除是否完全。