ACKR3 and neoplasm: Figure 5B shows the follow‐up results of the tumour growth of the rats in each group after treatment using B‐mode US as follows: tumour growth was suppressed in the CXCR7‐shRNA + TACE group; tumour growth was slightly inhibited in the CXCR7‐shRNA and TACE groups; and tumours grew rapidly in the control group.