Table 2.

Median values with range of PET parameters

Parameter		Median (range)
PET1	SUVmax1	9.5 (4.7–22.8)
	SUVpeak1	7.9 (3.7–16.1)
	MTV1	131.3 (5.4–1068.9)
	TLG1	592.0 (18.1–5050.6)
PET2	SUVmax2	6.0 (2.5–16.7)
	SUVpeak2	4.2 (2.1–14.2)
	MTV2	9.1 (0.1–192.5)
	TLG2	30.0 (0.3–1465.9)
Change from PET1 to PET2 (%)	ΔSUVmax	−45.2 (−79.2–35.7)
	ΔSUVpeak	−46.8 (−78.0–62.1)
	ΔMTV2.5	−94.4 (−99–345.3)
	ΔTLG	−96.4 (−67.0–88.3)

PET, positron emission tomography; SUVmax, maximum standardized uptake value; SUVpeak, peak standardized uptake value; MTV, metabolic tumor volume; TLG, total lesion glycolysis