Patient is a 68 year old African American woman with a history of non-Hodgkin's lymphoma treated with chemotherapy and radiotherapy in 1980.
Symptoms now: she has type-B symptoms only - sweats at night, lost 14 pounds in the last 2 months, 7 pounds in the last 1 month. Low appetite also. There are no respiratory symptoms at all.
She also has burning feeling in the feet
She has right hilar and subcarinal adenopathy; she also has gastrohepatic and periportal adenopathy and slightly more prominent intrahepatic biliary tree dilatation with slightly more dilatation of the previously dilated common bile duct.
A surgical excision biopsy of an axillary node showed non-caseating granulomatous inflammation with no lymphoma at all.
Again her symptoms are as above - some B symptoms and a likely peripheral neuropathy (I think).
How would you approach this patient next?