TGFB1 and neoplasm: Upon the expression of the TGF‐β inhibitor sog (Biehs et al, 1996) in the fat body (r4‐GAL4) of tumour bearing animals (QRasV12, scribRNAi), we observed a significant reduction in fat body pMad levels (Fig 2G–I) but no significant effects on pAkt levels (Fig 2J–L).