In some people, glassy nodules can be non-cancerous for the rest of their lives, which are mostly seen in tuberculosis and pneumonia. 1. After tuberculosis is cured: after Mycobacterium tuberculosis and other infections in the lungs are cured by anti-tuberculosis treatment, the lungs will be left with different degrees of fibrosis or calcification scars, which can be manifested as ground-glass nodules on the image, and it does not need any special treatment, and it is enough to go for follow-up examination. 2. Pneumonia: Bacterial or viral infection in the lungs will lead to glassy nodules in the lungs. After anti-infection treatment, the inflammation will subside, and the glassy nodules will decrease or disappear, and will not become cancerous. If you find glassy nodules in the lungs, it is recommended to consult a doctor in time to clarify the cause of the disease and carry out targeted treatment or therapy with the help of a doctor.