hi dr. im a left breast cancer patient .i had my surgery on 21st of april,almost a year. i hav almost completed my treatment which is surgery(only lymp was removed ) chemotherapy,radiotherapy,herseptin n now im taking tamoxifen as hormonal therapy for 5 years .i need 2 know that im having bad pain on my left side iz there any exercises that i can do after or during treatmentplz suggest me about diet also i feel tired n weakness thnx.