River Basins. A river basin is an area of land drained by a river and its tributaries. River basins have typical features, these include: Tributaries-smaller rivers flowing into a larger river. A Watershed-an area of highland surrounding the river basin.A confluence-where a river joins another river.Source-the start of a river. river basin is an area of land drained by a river and its tributaries. River basins have typical features, these include: Tributaries-smaller rivers flowing into a larger river. A Watershed-an area of highland surrounding the river basin.
Fatigue. Fatigue is one of the most common side effects of radiation therapy for breast cancer. Fatigue may be caused by anemia, poor appetite or depression. It may also be related to toxic substances that are produced when cancer cells break down and die.adiation pneumonitis. Radiation pneumonitis is an uncommon side effect of radiation therapy for breast cancer. It may occur a few weeks to several months after radiation treatment. It occurs more often in women who receive methotrexate and 5-fluorouracil (Adrucil, 5-FU) at the same time as radiation therapy.
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. But some side effects may continue after treatment is over because it takes time for healthy cells to recover from the effects of radiation therapy. Late side effects can happen months or years after treatment. If doses of radiation are high enough, some cells may not be able to repair themselves. As a result, some side effects may last a long time or be permanent. In general, the side effects of radiation therapy will depend on: the type of radiation therapy; the part of your body being treated