Topic: Tumor and T Cell Engagement By BiTE (Immunology)
the link below is about the new technology in immunotherapy development.
and is related to EGFR researching too as an example.
For a simple understanding without going thru the entire article,Figure 1C will provide a rough idea of how the T cell works on the tumor cell. This approach, if is upto its billing, will be safer than TIL and more potent than others in general.