BCL3 and neoplasm: Evaluation of the nuclear fraction of Bcl-3 positive cells (estimated in percent), the nuclear intensity (scored 0–4, Figure 2) and the cytoplasmic intensity (scored 0–3, Figure 2) was possible in 264 of 270 (98%) tumour specimens and in 64 of 70 (91%) cases of normal colon tissue (Table 1).