ITGAM and cancer: Tumors formed by cancer cells ectopically expressing SPARC, in addition to displaying EMT‐like features, produce more metastases and are infiltrated by many myeloid cells (CD11b+GR1+) with strong immunosuppressive functions (as measured by their ability to inhibit anti‐CD3 and anti‐CD28‐induced T‐cell proliferation in vitro).