Can A Patient Of Non Hodgkin's B Cell Lymphoma Low

can a patient of non Hodgkin's b cell lymphoma low grade get another type of cancer as well, such as lung cancer? he was diagnose in 2010 with lymphoma, received treatment in 2012, and then again in 2016. both times went to the hospital for pneumonia. had cat scan 7 months ago, before starting chemo. but at the week follow up from the hospital release the doctor heard a "dullness or blockage in the same lung with pneumonia. Now his lung is in pain like before when he had pneumonia and he has had high fevers all night.