Results: HRCT signs: 23 (53.4%) showed nodular accumlation, 34 (79%) lobulation, 33 (76.7%) spiculate, 6 (13.9%) convergence sign of pulmonary vessels, 20 (56.5%) pleural indentation.

• 结果：病灶呈“小结节堆积征”23例(53.；4%25)，病灶呈分叶34例(79%25)。边缘毛刺33例(76