ima45 describes the meaning of the image report CT in scanning to 45 layers found nodules. In ima45, ima is a description of the image, and its im is the criteria for stratification, most of which are used to describe the nodule, which is commonly used in clinical CT to report the nodule, so that the doctor can quickly and clearly find the site of the nodule when looking at the film, especially the tiny nodule. The ima45 is a nodule found on the 45th layer of the CT scan, so it is reported as ima45. Appearance of nodules is usually caused by inflammation, tuberculosis, tumors, etc. Generally, nodules smaller than 5mm or less are mostly benign, belonging to the tiny nodules, do not need to be treated, while nodules larger than 5mm or more, you can immediately consult the doctor for treatment, general surgical resection treatment such as TV-assisted thoracoscopic surgery or open thoracotomy. It is recommended that patients should consult the doctor in time if they have any discomfort, and should not be negligent so as not to delay their condition.