25th September 2020

A 70-year-old man presents with a 3-month history of fatigue

A 70-year-old man presents with a 3-month history of fatigue and multiple enlarged, painless lymph nodes in the cervical and supraclavicular regions. On examination, he is found to have an enlarged spleen. The results of his full blood count show a markedly raised white cell count, raised lymphocytes, and low haemoglobin.

For the patient above, please select the SINGLE most likely diagnosis. Select ONE option from the list above.