Exclusion criteria

A patient will not be eligible for the study if any of the following apply:

1. Pregnant or breast-feeding women. Pregnant or breast-feeding women may be re-screened following delivery and/or cessation of breastfeeding, as appropriate.
2. Previous chemotherapy or immunotherapy for any haematological cancers
3. Treatment with any other investigational agent, or participation in an interventional clinical trial within 28 days prior to enrolment.
4. Patients in cohort 2 or 3 on anticoagulation for a diagnosis of pulmonary embolus or deep vein thrombosis within the last 3 months or with a mechanical heart valve or any other condition causing a significant risk of thromboembolism. Participants who are anticoagulated for atrial fibrillation are eligible, but will be asked to interrupt anticoagulation 3 days prior to bone marrow examination.
5. Other psychological, social or medical condition, physical examination finding or a laboratory abnormality that the Investigator considers would make the patient a poor study candidate or could interfere with protocol compliance or the interpretation of study results.
6. Any other malignancy that requires active surgical or chemotherapeutic treatment.  Patients on long term hormone therapies (e.g. tamoxifen) are permitted to enrol at the discretion of the investigator, after considering the overall clinical context.
7. Any significant concurrent medical condition resulting in a life-expectancy of less than 5 years (including but not limited to renal, hepatic, haematological, gastrointestinal, endocrine, pulmonary, neurological, cerebral or psychiatric disease)
8. For cohort 3: Any contraindication for MRI- presence of any metallic foreign body, eGFR <30 and allergy to gadolinium contrast