Right lung middle lobe medial nodule 17mm (mm), this nodule is relatively not small, it is recommended to further improve the examination to determine the nature of the nodule, malignant nodules need surgical treatment. Lung nodules are focal, round-like lung shadows with a diameter of less than 30mm. Lung nodules with a diameter of no more than 5mm are called pulmonary micronodules, and most of them are recommended to be reviewed regularly; if the diameter of the lung nodule is more than 8mm, the possibility of malignant nodules is increased, and high attention should be paid to them. The right middle lobe medial nodule of 17mm is a nodule with a diameter of more than 8mm, and the possibility of malignancy is relatively high. It is recommended to carry out further investigations, such as chest enhancement CT, bronchoscopy or lung puncture, to clarify the nature of the nodule. If malignant nodules are considered, they should be evaluated and treated surgically if surgery is indicated. A 17 mm nodule in the medial lobe of the right lung is recommended to cooperate with the doctor to improve the examination and determine the nature of the nodule before deciding the next treatment plan.