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. Author manuscript; available in PMC: 2020 Jun 23.
Published in final edited form as: AJR Am J Roentgenol. 2019 Jul 30;213(6):1253–1258. doi: 10.2214/AJR.19.21637

TABLE 2:

Treatment Outcome Based on Lesion Location

Location of Treated Prostate Cancer Residual Clinically Significant Prostate Cancera
Left anteriortransition zone base Yes
Right posterior peripheral zone apex Yes
Right anteriortransition zone base No
Right posterior peripheral zone midgland Yes
Right posterior peripheral zone apex No
Left anterior peripheral zone apex No
Left posterior peripheral zone midgland Yes
Left anterior peripheral zone midgland Yes
Right anteriortransition zone base Yes
Right posterior peripheral zone midgland Yes
Left anteriortransition zone base Yes
Left posterior peripheral zone midgland Yes
Right anteriortransition zone midgland No
Left anteriortransition zone base No
Left posterior transition zone base Yes
Right posterior peripheral zone midgland No
Left anteriortransition zone midgland Yes
Left anterior peripheral zone apex No

Note—Lesion location defined according to Prostate Imaging Reporting and Data System version 2 sector map. For peripheral zone lesions in the apex and midgland, posteromedial and posterolateral locations are referred to as posterior.

a

Defined as Gleason score 3 + 4 or greater. Among the three patients with Gleason 3 + 3 at baseline, clinically significant prostate cancer was defined as any residual prostate cancer.