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LEARNING OBJECTIVES

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LEARNING OBJECTIVES

Upon completion of the chapter, the reader will be able to:

  1. Describe the etiology of cancer.

  2. Define the tumor, nodes, metastases (TNM) system of cancer staging.

  3. Classify each drug used in the treatment of cancer and compare and contrast the mechanisms of action, uses, and adverse effects.

  4. Outline actions for all health professionals to prevent medication errors with cancer treatments.

  5. Discuss the impact that increased use of oral chemotherapy agents may have on oncology practice.

  6. Describe what cancer survivorship means and how this impacts future health care needs of an individual.

  7. Describe the role of health professionals in the care of cancer patients.

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INTRODUCTION

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KEY CONCEPT The word cancer covers a diverse array of tumor types that affect a significant number of Americans and individuals worldwide and are a major cause of mortality. The term cancer actually refers to more than 100 different diseases. What is common to all cancers is that the cancerous cell is uncontrollably growing and has the potential for invading local tissue and spreading to other parts of the body, a process called metastases. Cancer is now the leading cause of death in Americans younger than 85 years.1 In 2015, it was projected that just over 1.6 million Americans will be diagnosed with cancer, and that an estimated 589,430 Americans will die from the cancer.2 Figure 88–1 describes cancers by gender, new cases, and deaths.

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FIGURE 88–1.

Cancer Incidences (left) and deaths (right) in the United States for males and females—2014 estimates. Reproduced with permission from American Cancer Society. Cancer facts and figures-2014.

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Although cancer in children and adolescents is less common when compared to older adults, it is estimated that about 1 in 285 children in America will be diagnosed before age 20. It is the second leading cause of death in children ages 5 to 14.2

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Once diagnosed, a cancer patient may encounter many different health professionals. All health professionals need to collaborate to ensure safe and appropriate prescribing, preparation, administration, and monitoring of anticancer agents; management of toxicities; resolution of reimbursement issues; and participation in clinical trials.3

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As a result of advances in research and technology, available cancer treatments have increased dramatically in the last couple of decades. The fields of radiation therapy, surgery, and drug development have made enormous progress over the years; therefore, patients may not only be receiving less toxic treatments but also treatments that have better outcomes than in the past. Supportive care therapies have improved, and patients now may be at less risk for toxicity and have a better quality of life than patients in the past. Twenty years ago, most patients received chemotherapy in the hospital because of side effects. Today, most patients are able to receive chemotherapy in ...

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