一些良性的病变也类似于恶性肿瘤，可出现扩大或多个新的肺结节，例如 风湿性关节炎，结节病，结核和霉菌感染 Several benign conditions can appear with enlarging or multiple new pulmonary nodules i.e.rheumatoid arthritis, sarcoidosis, TBC or funga...
