Hi, I Am A Breast Cancer Survivor, My Last PET

Hi, I am a breast cancer survivor, my last PET SCAN showed enlarged lymph nodes every where. lungs, renal cysts, portacaval lymph nodes 2.5x1.4, bilateral inguinAl lymph nodes, external iliac chain,
All non specific sorta,
I have been having left flank pain, x 1 week, no blood, no urine pain, no trouble going pee, , when bladder is empty, it spams,
55 year female, obese , RT mastectomy 33 lymphnodes axilla dissection , x 8 yrs ago,
4 months ago mammo on RT breast significant lymph nodes FU DUE,
RT side d. With osteo radiation necrosis, 2015/2016- removed 3 partial ribs upper RT Surgery lastismus flap, moved muscle up and over to close hole that never bled,
Ok what is this dang pain?. Currently unemployed due to hospital buyout, - lol ain't it a mess
Thank you
Lynn Gillespie