A 67 yo female came into your clinic complaining of fatigue, a low grade fever on and off for the last few weeks and recent onset of night sweats. She is also complaining of diffuse pain in ULQ but more posterior or on her back. PMH: she is menopausal since 52yo. Night sweats stopped at age 53. You decide to run blood work a CBC with differential and these are the findings. RBC 3.5 (4.5 - 5.5) WBC 90,000 (N: 3500 - 10500) Neutrophils 10. What is the most likely diagnosis based on the patient's symptoms and blood work findings?
1) Leukemia
2) Lymphoma
3) Rheumatoid arthritis
4) Urinary tract infection