Figure 4 (A) Immunostained segmented fetal haemoglobin‐myeloid cells (FMLC) and fetal haemoglobin‐red blood cells (FRBC) in a local lymph node of infiltrating ductal breast carcinoma. (B) Immunostained FRBC in a local lymph node of infiltrating ductal breast carcinoma. (C) the arrow indicates the immunostained band FMLC in a local lymph node of infiltrating ductal breast carcinoma. (D) Foci of immunostained FRBC in a lymph node of Burkitt's lymphoma.