Diagnosed With 2 Liver Lesions, Problems Like VitD And Iron Deficiency, Back Pain Etc. Is It Due To Liver Problem ?

I was diagnosed with two liver lesions two years ago. One was a 2 cm hemagioma and the other a 3 cm fnh. Currently having several problems including vitamin d deficiency level was 14; iron deficiency level was 29, and % saturation level an 8; vitamin b12 low; sed rate level 29; a/ g ratio level 0.9; c-reactive protein1.1; white blood count 10.47; anion gap 6; and calculated osmolal 273. Having all over body pain, pain on right upper abdomen, back pain, water weight gain- would gain over 5 lbs in one day, blood pressure was 132/82 before put on medicine now down to 110/78. Medicines currently taking hydroclorothiazide 12.5 mg once a day; amatriptyline hcl 25mg 2 tablets at bedtime; vitamin d ergocalciferol 0000 unit one a week for six weeks just finished; ferrousul 325 mg once a day; gabapentin 300 mg take two capsules three times daily; nabumentone 500 mg take two capsules twice daily; prednisone 10 mg take 6 tablets, then decrease by 1 tablet until gone just started; cyanocobalamin 1000 mcg/ml injection weekly for 4 weeks, then once a month for two months just finished with weekly. Could it be my liver causing all these problems?