I Have Had Severe Fatigue That Came On Sudden With

I have had severe fatigue that came on sudden with constant low grade fever, red burning eyes, racing heartrate, puffiness of face and eyelids, swollen hands and seems to be abdominal swelling quite often as well. etc. About 1 1/2 ago they found I had a swollen thymus gland and tumor about 2x 2-1/4. They took out my g
And and tumor and the symptoms seemed to subside some for about 6 months and bam the symptoms are back and fatigue and fevers worse than before. Any suggestions?