SEC61A1 and neoplasm: Since Sec61 inhibition strongly affects the functional biology of immune cells (Guenin‐Mace et al, 2015; Baron et al, 2016; Grotzke et al, 2017; Demangel & High, 2018; Guenin‐Macé et al, 2019; Demangel, 2021), it may suppress the development of anti‐tumor immunity.