1, type I pulmonary tuberculosis: primary pulmonary tuberculosis, normal or dumbbell-shaped lesions.
2. Type II pulmonary tuberculosis: hematogenous disseminated pulmonary tuberculosis, with evenly distributed miliary shadows of similar size and density.
3. Type III pulmonary tuberculosis: infiltrative pulmonary tuberculosis with blurred edges and relatively light density.
4. Type Ⅳ pulmonary tuberculosis: chronic fibrocavernous pulmonary tuberculosis, with different forms of transparent areas in the cavity, induration lesions with fibrous calcification, such as cord-like, nodular and punctate lesions, with clear edges and relatively high density.
5. Type ⅴ pulmonary tuberculosis: tuberculous pleurisy with thickened pleura and calcified shadow. "