Histopathologic analysis of bone marrow and spleen of Tg mice after 5-FU injection.

Hematoxylin–eosin-stained sections from the femurs of a wild-type littermate (A, C) and Stat3F Tg mice (B, D). Sections were prepared at day 7 (A, B) or day 10 (C, D) after 5-FU injection. Histologic analysis of the spleens from wild-type (E) and Tg mice (F) was also performed at day 10 after 5-FU injection. Original magnification, ×100