(A-B) Schematic distributions of SUV in 2 tumor volumes. Illustration courtesy of Irene Buvat, Unité d’Imagerie Moléculaire in Vivo, UMR1023 INSERM CEA, Orsay, France. (C-D) Two patients with PMBCL (NCT00498043 trial): (upper) maximum intensity projection image and (lower) cartography of the regional homogeneity indices (decreasing from red to blue) on (lower left) coronal and (lower right) transverse slice7 ; data from patient C: COV, 0.17; spatial homogeneity, 0.45, and patient D: COV, 0.17, spatial homogeneity, 0.28. Illustration processed with LIFEX software, www.lifexsoft.org/.