Fig. 1From: Advances in intelligent diagnosis methods for pulmonary ground-glass opacity nodulesSome different pulmonary nodules. a Irregular solid nodules in left lower lobe. b Pure ground glass nodules in left upper lobe. c Pure ground glass nodules in right upper lobe. d Mixed ground glass nodules in right upper lobe. e Mixed ground glass nodules in right middle lobe. f Mixed ground glass nodules in right middle lobeBack to article page