How would you counsel a patient with extragenital lichens sclerosis on the acute and long term risks of post-lumpectomy radiotherapy?

Lichen sclerosis (LS) is a rare entity, however, there are reports of successful treatment with radiation for various cancers associated with this condition. (Wang et al., PMID 33356763). There is also a suggestion of worse LC in women with vulvar cancer and preexisting LS (Fokdal et al., PMID 34392...