MAPK15 and small cell lung carcinoma: Similarly, MAPK15 mRNA expression was also elevated (p = 0.04) in SCLC (RQ 7.50 (3.63–20.31)) compared to other BP-NENs (RQ 2.19 (1.02–3.94); 6.85 (4.72–17.06); 5.78 (3.91–11.73) for LCNEC, AC and TC, respectively) (Figure 3B).