What does it mean to have a small nodule in the right upper lung field?

Hello, according to your description, there are small nodules in the right upper lung field. Generally speaking, pulmonary nodules include lung cancer, congenital pulmonary dysplasia, pneumonia, tuberculosis, bronchiectasis, pulmonary aspergillosis and so on. It is suggested that you have a chest CT, and if necessary, you can make a further diagnosis through fiberoptic bronchoscopy, CT-guided puncture and sputum cell examination. The above comments are for reference only.