Silzbach system is a chest radiographic staging method for sarcoidosis.
stage 0: normal chest radigraph: 10% at time of diagnosis
stage I: lymph node enlargement: 50% at time of diagnosis
stage II: lymph node enlargement and pulmonary opacities: 30% at time of diagnosis
stage III: pulmonary ...
Previously, small cell lung cancer was not staged in the same manner as non small cell lung cancer, on account of it almost never being resectable at the time of diagnosis, except in rare cases where it appears as a solitary pulmonary nodule.
disease confined to one hemithorax
A number of staging systems have been described for staging of malignant pleural mesothelioma. Below is the International Mesothelioma Interest Group TNM staging system.
T - Tumour
Tx: primary tumour cannot be assessed
T0: no evidence of primary tumour