Would you initiate chemoimmunotherapy (e.g. RCHOP) in a symptomatic patient with DLBCL who tested positive for COVID19?   

It will depend on if he is symptomatic from covid infection or just positive but asymptomatic. If asymptomatic from covid, I would treat. DLBCL is the one which is symptomatic and active disease without treatment is equally immunosuppressive. I would suggest giving rituximab with cycle 2 rather tha...