The nodules are scattered and patchy in distribution, and predominate posteriorly and in the upper lobes. The nodules show symmetrical involvement (Figure 2, Figure 3) of both upper lobes.

结节散在并呈斑片状分布，以上肺和背侧为主，对称性的累及双上肺。

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The nodules are scattered and patchy in distribution, and predominate posteriorly and in the upper lobes. The nodules show symmetrical involvement (Figure 2, Figure 3) of both upper lobes.

结节散在并呈斑片状分布，以上肺和背侧为主，对称性的累及双上肺。

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