Nodular calcified shadows are usually the calcified deposits left after recovery from some diseases, if they are small nodular calcified shadows, malignant tumors need to be excluded. Nodular calcified shadows, such as nodular calcified shadows in the lungs, are usually left behind by pneumonia or tuberculosis, which are not very harmful to the human body, and can be reviewed regularly in the hospital. Rarely, nodular calcification may be caused by malignant tumors, which are mainly manifested as small calcified foci in the form of dots. This situation needs to be differentiated from benign nodules, and active therapeutic intervention. It is recommended to go to the hospital for regular checkups, and at the same time, pay attention to whether there are other uncomfortable symptoms, and communicate with the doctor in time to prevent delays in the condition.