RAB1A and neoplasm: Patients with a complete disappearance of the invasive component of the tumor in the breast (ypT0/ypTis) were more often ypN0 (73%) compared to patients with both ypT1 (OR = 7.6, p < 0.001) and ypT2–4 (OR = 46.4, p < 0.001) residual disease.