TNM stage groupings proposed for the eighth edition of MPM staging system relative to those used in the seventh edition
| N0 | N1/N2 | N1 | N3 | N2 | ||
| Stage | Seventh edition | Eighth edition | Seventh edition | Eighth edition | Seventh edition | Eighth edition |
| T1 | I (A, B) | IA | III | II | IV | IIIB |
| T2 | II | IB | III | II | IV | IIIB |
| T3 | II | IB | III | IIIA | IV | IIIB |
| T4 | IV | IIIB | IV | IIIB | IV | IIIB |
| M1 | IV | IV | IV | IV | IV | IV |
Reprinted from Journal of Thoracic Oncology, Vol 11, No 12, Rusch V.W et al, THE IASLC Mesothelioma Staging Project: Proposals for the M Descriptos and for Revision of the TNM Stage Groupings in the Forthcoming (Eighth) Edition of the TNM Classification for Mesothelioma. 2112-2119 (2016), with permission from Elsevier.