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HardHaematologyThalassaemia Traitmrcgp aktmrcp part 1ukmlapane

A 65-year-old man presents with fatigue and pallor. FBC shows: Hb 90 g/L, MCV 70 fL, MCH 25 pg. He has no significant past medical history. Iron studies show: Serum Iron 10 µmol/L (10-30), TIBC 40 µmol/L (45-70), Transferrin Saturation 25%, Ferritin 200 µg/L (30-300). What is the most likely cause of his microcytic anaemia?

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