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Sedentary Work Exerting up to 10 pounds (4.5 kg) of force occasionally and/or a negligible amount of force frequently or constantly to lift, carry, push, pull, or otherwise move objects, including the human body. Sedentary work involves sitting most of the time, but may involve walking or standing for brief periods of time. Jobs are sedentary if walking and standing are required only occasionally and other sedentary criteria are met.

Light Work Exerting up to 20 pounds (9.1 kg) of force occasionally and/or up to 10 pounds (4.5 kg) of force frequently, and/or negligible amount of force constantly to move objects. Physical demand requirements are in excess of those for Sedentary Work. Light Work usually requires walking or standing to a significant degree. However, if the use of the arm and/or leg controls requires exertion of forces greater than that for Sedentary Work and the worker sits most the time, the job is rated Light Work.

Medium Work Exerting up to 50 (22.7 kg) pounds of force occasionally, and/or up to 25 pounds (11.3 kg) of force frequently, and/or up to 10 pounds (4.5 kg) of forces constantly to move objects.

Heavy Work Exerting up to 100 pounds (45.4 kg) of force occasionally, and/or up to 50 pounds (22.7 kg) of force frequently, and/or in excess of 20 pounds (9.1 kg) of force constantly to move objects.

Very Heavy Work Exerting in excess of 100 pounds (45.4 kg) of force occasionally, and/or in excess of 50 pounds (22.7 kg) of force frequently, and/or in excess of 20 pounds (9.1 kg) of force constantly to move objects.

Job Classification

In most duration tables, five job classifications are displayed. These job classifications are based on the amount of physical effort required to perform the work. The classifications correspond to the Strength Factor classifications described in the United States Department of Labor's Dictionary of Occupational Titles. The following definitions are quoted directly from that publication.

Sedentary Work Exerting up to 10 pounds (4.5 kg) of force occasionally and/or a negligible amount of force frequently or constantly to lift, carry, push, pull, or otherwise move objects, including the human body. Sedentary work involves sitting most of the time, but may involve walking or standing for brief periods of time. Jobs are sedentary if walking and standing are required only occasionally and other sedentary criteria are met.

Light Work Exerting up to 20 pounds (9.1 kg) of force occasionally and/or up to 10 pounds (4.5 kg) of force frequently, and/or negligible amount of force constantly to move objects. Physical demand requirements are in excess of those for Sedentary Work. Light Work usually requires walking or standing to a significant degree. However, if the use of the arm and/or leg controls requires exertion of forces greater than that for Sedentary Work and the worker sits most the time, the job is rated Light Work.

Medium Work Exerting up to 50 (22.7 kg) pounds of force occasionally, and/or up to 25 pounds (11.3 kg) of force frequently, and/or up to 10 pounds (4.5 kg) of forces constantly to move objects.

Heavy Work Exerting up to 100 pounds (45.4 kg) of force occasionally, and/or up to 50 pounds (22.7 kg) of force frequently, and/or in excess of 20 pounds (9.1 kg) of force constantly to move objects.

Very Heavy Work Exerting in excess of 100 pounds (45.4 kg) of force occasionally, and/or in excess of 50 pounds (22.7 kg) of force frequently, and/or in excess of 20 pounds (9.1 kg) of force constantly to move objects.

Cancer, Small Intestine (Including Duodenum)


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Treatment

Treatment of cancer is guided by staging which helps determine the cancer's size, location and if it has invaded lymph nodes and other parts of the body. Treatment modalities include surgery, radiation therapy, chemotherapy, or immunotherapy, singly or in combination. Most small intestinal cancers grow in the upper section of the small intestine (duodenum), and when they are located in this area, it is usually necessary to remove part of the pancreas, along with the tumor and a portion of the duodenum (pancreaticoduodenectomy). Removal of the tumor, along with a portion of the bowel, is the treatment of choice for cancer located in the jejunum and ileum as well. When a portion of the small intestine is removed, the remaining ends of small intestine may be joined together, or it may be necessary to create a permanent or temporary opening through the abdominal wall for the evacuation of fecal material (ileostomy).

Radiation therapy uses high-energy x-rays to kill cancer cells and shrink tumors. It may be administered through external beams or by placing tiny containers that hold radioisotopes (substances that release radiation) into the body near the site of the cancer. Medications that increase the cancer cell's susceptibility to the effects of radiation (radiosensitizers) may also be administered.

Chemotherapy involves the administration of various medicines or combinations of medicines that kill cancer cells that may have escaped from surgery or have already spread to other parts of the body. Chemotherapy is not highly effective on small bowel cancer, although it may be used in conjunction with surgery.

Immunotherapy (also called biological or biological response modifier therapy) involves the administration of naturally occurring or laboratory-produced substances that improve the immune system's ability to fight cancer. Recent advances in treatment using a substance that binds to an enzyme in the cancer cell and prevents it from reproducing (imatinib mesylate) look promising for gastrointestinal stromal tumors.

Neither chemotherapy nor radiation therapy is effective in improving survival in individuals with small intestinal cancer in its advanced stages, although radiation therapy may be used for palliative treatment.

Source: Medical Disability Advisor