An adenovirus comprising a sequence of formula (I) 5′ITR-B1-BA-B2-BX-BB-BY-B3-3′ITR wherein By comprises a transgene cassette containing four transgenes, said genes encoding a FAP-BITE, CXL10, CXL9, and IFN. The disclosure also extends to a pharmaceutical composition comprising the virus, and use of the virus or formulation in treatment.