Low Lymphocytes and multiple lymph nodes enlarged?

ok,within the last year, my lymphocyte count has been 7, 13, 16 and when I was getting over a stomach bug, it was 18, now at 16, I have a lymphnode under the jaw on one side at 1.7 cm and one on the other side at 1.5 cm, and several more under the jaw, one on the side of the neck and one by the collar bone, for the last year I have had them, I saw an ENT, told me dont worry, I had a CT done 3 weeks ag on the abdomen, now I have mesentery lymph nodes as well, multiple especially around the jejum, largest being 8mm long axis, chroonic back pain, lost 12 pounds in a month,full feeling, border line enlarged spleen, i have been bouncing from doctor to doctor, finally one is sending me to a Hematologist, all other counts look good, except lymphocyte count, slightly anemic and slightly low hemaocrit, should I be worried, I am a 38 yr old white male, I had a lymphnode removed at 15, it was not cancer, and a partoid removed 7 yrs ago, but never this many at one time, CT diagnois listed as maybe lymphoma or leukima? is a hematologist who i need to see?any advise? cancer of some sorts??
thanks