Fig. 1

Sample macroscopic and microscopic images. a, b Macroscopic view of the kidney and omentum. Arrow indicates that the kidney piece shown on the left side was sliced as in the figure on the right. c Cross-section of the whole kidney (4 µm) (HE × 57.6). d Right bottom, Cross-section of the whole kidney (4 µm) (Masson trichrome staining × 30). e Kidney, parenchyma, trauma line—microscopically (HE × 380). f Kidney, parenchyma—microscopically (HE × 1120). g Kidney, parenchyma, trauma line—microscopically (Masson trichrome staining × 256). h Kidney, parenchyma, surrounding area—microscopically (Masson trichrome staining × 440)