Talk to Gynecologist on My Mom Feeling Pain In Her Breast

I'm from karachi this is regarding my mother. unhony mjhy btaya k around 32 years pehly jb Mera Bhai paida hua tha to breast me milk freeze hogya tha to doctor ny uswaqt dono breast py cut lga k 4 din tk safai ki t. or phir Bhai bf nai ly ska. usky bad hum 3 sisters paida huen we were on bf. now problem is that she told me that now she is feeling a small lump in her left breast and slightly pain as well. can you please recommend why is it happening ?? I know it will require a physical examination. so please tell me who will be the specialist in Karachi.