This an open two-arm interventional randomised feasibility study in anaemic patients treated with chemotherapy. Randomisation is performed between two transfusion thresholds: Haemoglobin < 6.0 mmol/l (9.9 g/dL) versus haemoglobin < 7.1 mmol/l (11.7 g/dL) for female and 8.1 mmol/l (13.4 g/dL) for males.Primary end-point is quality of life