Burning feeling in right breast.

Sir my wife had preterm delivery a year ago since then she is depressed,lot of stress she takes & also a hypochondriac .in December 2022 she got both breast usg including armpits since she felt pain in left breast where report found 0.2mm benign birads 2 cyst in right breast since then she complains of on &off breast burning sensation in right breast including her right armpit with no other symptoms she repeated ultrasound 6 months ago where they said they couldn't find anything in any breast but still she complains of burning, she saw YouTube video where one breast cancer patient says she had burning feeling in breast ,Since then she worries if it's the same with her too and always worries about it and going into depression No family history of cancer for her &no other symptoms except one breast burning on &off ,when should we repeat scan again she has gone mad already by any chance is burning breast a cancer symptom? Thanks in advance