If CT results return a ground glass nodule with blood vessels crossing it means the following: First, the most common factor is inflammatory infectious factor, when the ground glass nodule is between 5-15 mm in diameter, the most common factor is inflammatory infection, the nodular mass formed due to infection, is more round and the surrounding tissue is not easily adherent, and there are abundant blood vessels crossing from the middle. Second, tuberculosis globules and tuberculosis nodules, combined with nodules between 1-1.5 cm in diameter, also have a small number of blood vessels carrying through during. Third, tumors, such as lung tumors, may also appear as ground glass nodules on CT of the lung with blood vessels passing through the epidermis.