Fig. 4.

PA-based femoral SO₂ for control (blue) and leukemic (red) mice at (A) day 0, (B) day 4, (C) day 7, and (D) day 11. Each line shows $\overline{{\text{S}}_{\text{f}}{\text{O}}_2}$ for the cohort, and shaded regions indicate ${\sigma }_{{\text{S}}_{\text{f}}{\text{O}}_2}$ for the cohort.