Seroma: can it be left untreated?

I had tt with mr in Nov.2016 then had a seroma wich cause my pubic area to get so big dr tried to drain it with a syringe and nothing,did local anesthesia opend me up and tried draining it with a suction tube,nothing so in Dec. 2016 a month after i had a revision.he said the seroma was in a weird angle why he cldnt get to it before.so he took care of it and pulled more skin to flattnedmy pubic area. now amonth later again igot aseroma he drainedit bt still have some left.wht cn b done? lipo?