I might be a little late for site recommendations but hopeful something here will prove somewhat useful in the future.
https://myhealth.alberta.ca/Health/aftercareinformation/pages/conditions.aspx?hwid=ug3388 – My Health Alberta – Speaks about daily activities, diet, medicines, incision care and signs to look out for.
Here is a sample of the site that you might find interesting:
“Women should wear a well-fitted and supportive bra, even during the night, for 1 week. You will probably be able to go back to work or your normal routine in 1 to 3 weeks after the surgery. This may depend on whether you have more treatment”
“When you find out that you have cancer, you may feel many emotions and may need some help coping. Seek out family, friends, and counsellors for support. You also can do things at home to make yourself feel better while you go through treatment. Call the Canadian Cancer Society (1-888-939-3333) or visit its website at www.cancer.ca for more information.”
https://www.breastcancer.org/treatment/surgery/lumpectomy/expectations - Breast Cancer - Speaks about before, after and warning sites but it shorter detail.
Here is a sample of the site:
Weeks and months after lumpectomy
“As nerves regrow, you may feel a weird crawly sensation, you may itch, and you may be very sensitive to touch. Your discomfort may go away by itself, or it may persist but you adapt to it. Acetaminophen or NSAIDs (pronounced EN-seds) such as ibuprofen usually can address the pain related to this type of nerve injury. Opioids (pronounced OH-pee-oydz) also can be used to treat this type of pain.
https://www.emedicinehealth.com/lumpectomy/article_em.htm#when_should_someone_seek_medical_care_afte... – Emedicine health – Gives more information regarding warning signs and before/after care as well.
Sample of site and warning signs:
Women who notice any of the following signs or symptoms following a lumpectomy should call their doctor for medical care:
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