Possible staging of peritoneal diffuse malignant mesothelioma

Interesting concept; however, with such good survival data, one wonders if many tumors were not mesotheliomas.
http://www.ncbi.nlm.nih.gov/pubmed/21089100

A novel tumor-node-metastasis (TNM) staging system of diffuse malignant peritoneal mesothelioma using outcome analysis of a multi-institutional database*

Yan TD, Deraco M, Elias D, Glehen O, Levine EA, Moran BJ, Morris DL, Chua TC, Piso P, Sugarbaker PH; Peritoneal Surface Oncology Group.