1976 Volume 16 Issue 3 Pages 193-206
We have made the classification of the bronchoscopic findings of the early lung cancer, Hilam type, and the findings were also pathologically clarified for the study from objective points of view. The analysis of the findings made it possible to diagnose endoscopically the infiltration of the advanced cancer into the bronchial wall, and it is considered also possible to diagnose the depth of the infiltration.