CD4 and neoplasm: The percent of positive CD4+ and CD8+ T cells was variable among tumor samples and, although not statistically significant, it trended increased in BPC‐Panx1−/− vs BPC‐Panx1+/+ tumors with a median value of 3.907 [interquartile range (IQR) 0.0–11.80] vs 1.523 (IQR 0.0–4.947) % CD4+cells (× 106)/μm and 4.163 (IQR 0.0–4.163) vs 0.3672 (IQR 0.0–0.367) % CD8+cells (× 106)/μm, respectively (Fig. 7B,C).