1. The rook that makes the castling move has not yet moved in the game. ����������λ�ij�����Ϸ�л�û���ƶ�����
2. Methods:NBCA castling-embolism was performed by per-cutaneous puncture into pulmonary cancinous cavity directly or after external drainage according. ���������Ƿ�ϲ��ն��ڸ�Ⱦ�����þ�Ƥ-��;��ֱ�Ӵ��̻�ն����ù�������NBCA������˨����
3. Methods: NBCA castling-embolism was performed by per-cutaneous puncture into pulmonary cancinous cavity directly or after external drainage according. �����������Ƿ�ϲ��ն��ڸ�Ⱦ�����þ�Ƥ-��;��ֱ�Ӵ��̻�ն����ù�������NBCA������˨����
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n.
1. interchanging the positions of the king and a rook