µPET/CT analysis of 7-months-old H2-c-fosLTR/Egfrwt and H2-c-fosLTR/Egfr∆Ob littermates Standardized uptake values (SUV) of the µPET-tracer Na[18F]F in the pelvic osteosarcoma of 4- and 7-months-old H2-c-fosLTR/Egfrwt and H2-c-fosLTR/Egfr∆Ob mice. n=6 wt, 4 ∆Ob for 4 month time-point, n=6 wt, 3 ∆Ob for 7 month time-point 