breast cancer and overweight

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Hi I'm Raffaella. I'm 47 years old. I'm just completing a year from hell. 8 rounds of chemo, a mastectomy and now 5 weeks of radiation. Still feeling effects from chemo and tired from radiation. I really need to lose weight and start moving. Very difficult cause I'm always hungry and tired. I would love some company for motivation and tips. If anyone has gone through this or is going through this, I would love to hear from you.