Extended Data Fig. 7: Platinum-treated tumor specimens showed a higher expression of MMP-7 and p21 compared to treatment-naive tumor specimens.

Representative histological images of NSCLC biopsy samples from treatment-naïve patients and platinum chemotherapy, analyzed for p21 and MMP-7 (n = 3 independent patients per group). Scale bars = 200 μm (top row) or 50 μm (bottom rows). The square indicates the area that is zoomed in and shown in detail below.