A 54-year-old man with a history of mild depression attended his regular bimonthly review. His mental state was improving but he had noticed a lump on the right side of his neck. It was painless and he was otherwise well with no other symptoms. On examination, there was a 3cm x 3cm soft lump in the right supraclavicular fossa with no other associated lumps. The lump was mobile and non-tender.
Examination of the throat, nose and ears was normal and general examination revealed no other abnormality and no splenomegaly. What could be the most probable diagnosis of this condition? *This image based case is from Docplexus editorial team for educative purpose only. Source: Haymarket