Table 1: Summary of investigations.

Parameter

Value

Haemoglobin

7.2 g/dL

MCV (Mean Corpuscular Volume)

76 fL

MCH (Mean Corpuscular Haemoglobin)

23.8 pg

MCHC (Mean Corpuscular Haemoglobin Concentration)

314 g/L

Serum Iron

1.7 µmol/L

Transferrin Saturation

5%

Tumour Marker CA19-9

54 U/mL

Tumour Marker CEA

2.2 ng/mL

Faecal Occult Blood Test

Positive