CYP7A1 and neoplasm: Moreover, tumor-induced hepatomegaly [0.028±0.0013 mm2 (control) vs 0.038± 0.0016 mm2 (tumor), P=0.00016: Fig. 4S] was not affected by cyp7a1 overexpression in the liver [0.028±0.0011 mm2 (control) vs 0.033±0.0018 mm2 (tumor), P=0.012: Fig. 8B-D].