Representative images and quantifications of SOX1 (n = 25 PNEC or SCLC, respectively; 6 mice per group) and MCT4 (n = 19 PNEC/SCLC; 6 mice per group) staining in mPNEC and small mSCLC tumours. Two-tailed Mann–Whitney test applied in j. Scale bars, 50 μm ( j (SOX1 and MCT4 (left)), 10 μm ( j (MCT4, right)).
