marina lyons , 80 , took her beloved dog rosie to the pdsa petaid hospital in hull for an operation day .
the operation , carried out three weeks ago , was successful but when marina returned home with the ten-year-old lhasa apso dog , she noticed lots of bruising on the back .
marina lyons , 80 , discovered , degree burns on her dog rosie 's back after taking the lhasa apso for surgery to remove her spleen due to a suspected tumour .