(A) Bioluminescence images of the excised orthotopic pancreatic tumors of MPanc96 cells bearing luciferase gene after 4 weeks of treatment with S-NACH, tinzaparin, gemcitabine, and combinations. (B) Average signal intensity of MPanc96-luc cells for each treatment showing significant reduction compared to control. (C) Tumor weight at the termination of study of MPanc96-luc cells. Data represent mean tumor weight (g) ± SEM, n = 8 per group (A), signal intensity (photons/sec) ± SEM, (*P < 0.05, **P < 0.01). GEM = gemcitabine.