The new standard clearly divides pneumoconiosis into three phases, deleting the expressions "no pneumoconiosis 0" and "no pneumoconiosis 0+" in the old version. The diagnostic conclusion of pneumoconiosis is expressed as: specific pneumoconiosis name + phase, such as first stage silicosis, second stage coal worker's pneumoconiosis, etc. Those who cannot be diagnosed with pneumoconiosis should be expressed as "no pneumoconiosis"...