Figure 4. Factor VIII stained xenografts showing vascular leakage after tumor treatment.

(a) High magnification stained histological sections of treated tumors (24 h cohort). Vascular damage determined from the Factor VIII results, for each treatment condition, are summarized for the (b) 12 h and (c) 24 h studies, and expressed in counts/um2. The scale bar denotes 50 μm. Obtained at magnification = 100×.