肺内小结节主要是指直径不超过3 cm的病灶,因为病灶相对比较小,影像学的表现不典型,一般情况下会出现误诊与漏诊的现象。结节的正确诊断对患者生存率等有十分严重的不利影响。随着现阶段影像学以及病理学的不断发展,肺内小结节早期诊断的正确率也随之提高。 Pulmonary nodules mainly refers to the diameter of not more than 3 cm of the lesion, because the lesion is relatively small, radiographic findings are not typical, under normal circumstances there will be misdiagnosed and missed diagnosis. The correct diagnosis of nodules has a very serious adverse effect on the survival rate of patients. With the continuous development of imaging and pathology at this stage, the accuracy of early diagnosis of small pulmonary nodules also increased.