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(a) Photograph of the excised and inflated pair of lungs of a representative mouse with heavy tumor load. The tumors are numbered. The virtual in vivo micro-CT cross sections through each tumor were superimposed. (b) Shows the identification of each tumor after histologic staining. In the two lobes shown in the picture of this representative example, a total of 15 tumor regions was recognized. Tumor 14 was not found in the micro-CT cross sections.
