T cell with chimeric antigen receptors (CAR-T) has presented remarkable efficacy for blood cancer as an emerging immunotherapy. However, solid tumors, the therapeutic is much impaired due to lack of infiltration and persistence CAR-T in tumor tissue. Thus, we constructed interleukin-7-loaded oncolytic adenovirus combined use virus improve outcome. We (oAD-IL7) a B7H3-targeted explored single oA...