The severity of multiple nodules in the right lung is related to its etiology and condition, as follows: a. Not serious: If the lung multiple nodules are caused by pathogenic infections, their condition is mostly not serious, and such patients can be cured by anti-infective symptomatic treatment. In addition, it can be seen in other benign multiple pulmonary nodules, such as calcified foci or certain benign tumors, the condition of such patients is also not serious, usually need regular observation and review can be. Second, serious: If the right lung multiple nodules are caused by malignant lung tumors, their condition is quite serious and the patient may have middle to late stage lung cancer or metastatic cancer. Therefore, when multiple nodules in the right lung are found, they should be treated according to the specific condition.