How much weight do you lose during radiation treatment?

Weight changes during the radiotherapy were as follows: 78.7% of patients lost weight, 8.5% gained weight (0.7 −3.6 kg), and 12.8% had no weight change. Weight loss was significant (t-test two-paired, p-value <0.001) and ranged from 1.1% to 18.9%.
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How much weight can you lose during radiation?

During radiation treatment, the mean weight loss was 4.33 kg, and 53.6% (1303) patients had high weight loss (HWL; ΔW≥5%). The proportion of HWL was higher in patients with advanced T stage, N stage, high BMI level and who received chemotherapy.
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Can radiation therapy make you lose weight?

Many cancer patients lose weight unexpectedly during radiation therapy because they struggle with side effects caused from treatment.
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How much weight do cancer patients lose?

Between 30% and 80% of patients may lose weight at some point during their disease, depending on the site of the tumor1. Worryingly, malnutrition is considered the cause of between 20% and 40% of all cancer-related deaths3.
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What is the most common acute side effect of radiation treatment?

Fatigue is the most common acute side effect of radiation therapy. It is believed to be caused by the large amount of energy that is used by the body to heal itself in response to radiation therapy. Most people begin to feel fatigued about 2 weeks after radiation treatments begin.
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Living Healthy: Nutrition during radiation treatment



When are radiation side effects the worst?

Side effects can happen any time during, immediately after or a few days or weeks after radiation therapy. Most side effects generally go away within a few weeks to 2 months of finishing treatment.
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Is radiation worse than chemo?

The radiation beams change the DNA makeup of the tumor, causing it to shrink or die. This type of cancer treatment has fewer side effects than chemotherapy since it only targets one area of the body.
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At what stage of cancer does weight loss occur?

According to the American Cancer Society, unexplained weight loss is often the first noticeable symptom of cancers of the esophagus, pancreas, stomach, and lung. Other cancers, such as ovarian cancer, are more likely to cause weight loss when a tumor grows large enough to press on the stomach.
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Why do cancer patients lose weight so quickly?

Cancer cells demand more energy than healthy cells, so your body may burn more calories at rest than it normally would. The cells also release substances that affect how your body uses calories from food, which also can contribute to weight loss.
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How fast is weight loss in cancer?

Unexplained rapid weight loss can be the sign of cancer or other health problems. The Mayo Clinic recommends that you see your doctor if you lose more than 5 percent of your total body weight in six months to a year. To put this into perspective: If you weigh 160 pounds, 5 percent of your body weight is 8 pounds.
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What can I expect after my first radiation treatment?

The most common early side effects are fatigue (feeling tired) and skin changes. Other early side effects usually are related to the area being treated, such as hair loss and mouth problems when radiation treatment is given to this area. Late side effects can take months or even years to develop.
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How long after radiation do you start to feel better?

Most side effects go away within 1–2 months after you have finished radiation therapy.
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What does radiation fatigue feel like?

Feeling very tired and lacking energy (fatigue) for day-to-day activities is the most common side effect of radiation therapy to any area of the body. During treatment, your body uses a lot of energy dealing with the effects of radiation on normal cells.
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How long is recovery after radiotherapy?

The side effects of radiotherapy usually peak up to two weeks after treatment has finished. The effects of radiotherapy continue developing, and it may take a further couple of weeks to several months for you to feel normal, depending on the area of the body that has been treated.
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Should I eat before radiation treatment?

If you feel queasy before treatment, try a snack of dry toast, crackers and a clear beverage, such as apple juice or a carbonated beverage. If queasy feeling after radiation, try not eating for a few hours before treatment and a few hours after. Eat six small meals a day, rather than three larger meals.
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What should I eat during undergoing radiation?

Good sources of protein include lean meat, fish, poultry, dairy products (cheese, Greek yogurt, milk, cottage cheese), eggs, nuts, beans & lentils, soyfoods (tofu, soymilk, tempeh, edamame), commercial nutrition beverages (like Ensure® , Boost®, or Orgain™, Enu™) and protein powders.
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What is considered rapid weight loss?

Rapid weight loss diet is a type of diet in which you lose more than 2 pounds (1 kilogram, kg) a week over several weeks.
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What is the most common cause of death in cancer patients?

What were the leading causes of cancer death in 2020? Lung cancer was the leading cause of cancer death, accounting for 23% of all cancer deaths. Other common causes of cancer death were cancers of the colon and rectum (9%), pancreas (8%), female breast (7%), prostate (5%), and liver and intrahepatic bile duct (5%).
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Which stage of cancer would be the most difficult to treat?

The more widely cancer has spread from the site where it is first diagnosed, the more difficult it becomes to treat. Cancer is labeled stage IV when it is found not only in its original location, but also in distant tissues and organs.
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Why am I eating more but losing weight?

Some people may lose weight despite eating normally. This is called cachexia. With cachexia, your body may not be absorbing all the fat, protein and carbohydrate from the food you eat. And you may be burning up calories faster than normal.
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How can cancer patients avoid weight loss?

A common concern for caregivers and patients is how to stop weight loss in cancer patients in a healthy way.
...
These medications include:
  1. Megestrol Acetate.
  2. Steroids (corticosteroids/glucocorticoids)
  3. Dronabinol (Marinol)
  4. Metoclopramide (Reglan)
  5. Pancreatic enzyme (Lipase) replacement.
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What to expect when you are dying from cancer?

It might take hours or days. The dying person will feel weak and sleep a lot. When death is very near, you might notice some physical changes such as changes in breathing, loss of bladder and bowel control and unconsciousness. It can be emotionally very difficult to watch someone go through these physical changes.
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Do tumors grow back after radiation?

Normal cells close to the cancer can also become damaged by radiation, but most recover and go back to working normally. If radiotherapy doesn't kill all of the cancer cells, they will regrow at some point in the future.
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What is the success rate of radiation therapy?

“When patients are treated with modern external-beam radiation therapy, the overall cure rate was 93.3% with a metastasis-free survival rate at 5 years of 96.9%.
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How many sessions of radiotherapy is normal?

Most people have 5 treatments each week (1 treatment a day from Monday to Friday, with a break at the weekend). But sometimes treatment may be given more than once a day or over the weekend.
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