A right lung micronodule means a dense shadow less than 5mm in diameter on the right side of the lung tissue seen on a CT image of the chest. Micronodules in the lungs may be mostly benign disease, but in rare cases have malignant potential. Micro nodules in the right lung need to be considered in conjunction with the presence or absence of clinical symptoms, previous work or living environment, past medical history, etc. Most people are asymptomatic and occasionally detected by physical examination, while a few may suffer from recurrent coughing and other discomforts over a long period of time. Long-term chronic lung inflammation can lead to inflammatory nodules in the lungs, which can be seen to shrink significantly after 2 weeks of regular anti-inflammatory treatment. A small number of people may be infected with tuberculosis occasionally due to abnormalities in their immune status and form nodules without showing obvious symptoms. Very few lung nodules are malignant tumors, but they may have no symptoms at the initial stage, but after early detection and regular treatment, clinical cure may be achieved. It is recommended to go to a regular hospital in time when you find a tiny nodule in your right lung, and have it reviewed or treated under the guidance of a professional physician.