11.   The paraffin sections were stained with haematoxylin and eosin.

12.   Within one to two months, the newly grown tumours were removed and their representative sections were stained with haematoxylin and eosin.

13.   Paraffin embedded sections were stained for conventional study with haematoxylin-eosin-safran and periodic acid Schiff.

14.   Consecutive sections were stained with haematoxylin and eosin for histological evaluation of in-situ hybridisation results.