Table 4.

miTNM version 1.0 system for Prostate Cancer Molecular Imaging Standardized Evaluation (PROMISE) using PSMA-PET tracer.

miTNM
Class	Description
Local tumor (T)
miT0	No local tumor
miT2	Organ confined tumor (unifocal or multifocal)
miT3	Non-organ confined tumor
miT3a	Extracapsular extension
miT3b	Tumor invading seminal vesicles
miT4	Tumor invading adjacent structures other than the seminal vesicles, such as external sphincter, rectum, bladder, elevator muscles, or pelvic wall
miTr	Presence of local recurrence after radical prostatectomy
Regional nodes (N)
miN0	No positive regional lymph nodes
miN1a	Single lymph node region with lymph node metastases
miN1b	Multiple lymph node regions with lymph node metastases
Distant metastases (M)
miM0	No distant metastasis
miM1	Distant metastasis
miM1a	Extrapelvic lymph nodes
miM1b	Bones
miM1c	Other sites

Adapted from Eiber M et al. [10]. Abbreviation: mi, molecular imaging.