Treatment depends on a number of factors, including the type of lung cancer (nonsmall or small cell lung cancer), the size, location, and extent of the tumor, and the general health of the patient. Many different treatments and combinations of treatments may be used to control lung cancer, and/or to improve quality of life by reducing symptoms.

• Surgery is an operation to remove the cancer. The type of surgery a doctor performs depends on the location of the tumor in the lung. An operation to remove only a small part of the lung is called a segmental or wedge resection. When the surgeon removes an entire lobe of the lung, the procedure is called a lobectomy. Pneumonectomy is the removal of an entire lung. Some tumors are inoperable (cannot be removed by surgery) because of the size or location, and some patients cannot have surgery for other medical reasons.
• Chemotherapy is the use of anticancer drugs to kill cancer cells throughout the body. Even after cancer has been removed from the lung, cancer cells may still be present in nearby tissue or elsewhere in the body. Chemotherapy may be used to control cancer growth or to relieve symptoms. Most anticancer drugs are given by injection directly into a vein (IV) or by means of a catheter, a thin tube that is placed into a large vein and remains there as long as it is needed. Some anticancer drugs are given in the form of a pill.
• Radiation therapy, also called radiotherapy, involves the use of high-energy rays to kill cancer cells. Radiation therapy is directed to a limited area and affects the cancer cells only in that area. Radiation therapy may be used before surgery to shrink a tumor, or after surgery to destroy any cancer cells that remain in the treated area. Doctors also use radiation therapy, often combined with chemotherapy, as primary treatment instead of surgery. Radiation therapy may also be used to relieve symptoms such as shortness of breath. Radiation for the treatment of lung cancer most often comes from a machine (external radiation). The radiation can also come from an implant (a small container of radioactive material) placed directly into or near the tumor (internal radiation).
• Photodynamic therapy (PDT), a type of laser therapy, involves the use of a special chemical that is injected into the bloodstream and absorbed by cells all over the body. The chemical rapidly leaves normal cells but remains in cancer cells for a longer time. A laser light aimed at the cancer activates the chemical, which then kills the cancer cells that have absorbed it. Photodynamic therapy may be used to reduce symptoms of lung cancer--for example, to control bleeding or to relieve breathing problems due to blocked airways when the cancer cannot be removed through surgery. Photodynamic therapy may also be used to treat very small tumors in patients for whom the usual treatments for lung cancer are not appropriate.

Clinical trial (research studies) to evaluate new ways to treat cancer are an option for many lung cancer patients. In some studies, all patients receive the new treatment. In others, doctors compare different therapies by giving the new treatment to one group of patients and the usual (standard) therapy to another group.

Treating Nonsmall Cell Lung Cancer

Patients with nonsmall cell lung cancer may be treated in several ways. The choice of treatment depends mainly on the size, location, and extent of the tumor. Surgery is the most common way to treat this type of lung cancer. Cryosurgery, a treatment that freezes and destroys cancer tissue, may be used to control symptoms in the later stages of nonsmall cell lung cancer. Radiation therapy and chemotherapy may also be used to slow the progress of the disease and to manage symptoms.

Treating Small Cell Lung Cancer

Small cell lung cancer spreads quickly. In many cases, cancer cells have already spread to other parts of the body when the disease is diagnosed. In order to reach cancer cells throughout the body, doctors almost always use chemotherapy. Treatment may also include radiation therapy aimed at the tumor in the lung or tumors in other parts of the body (such as in the brain). Some patients have radiation therapy to the brain even though no cancer is found there. This treatment, called prophylactic cranial irradiation (PCI), is given to prevent tumors from forming in the brain. Surgery is part of the treatment plan for a small number of patients with small cell lung cancer.

Side Effects

The side effects of cancer treatment depend on the type of treatment and may be different for each person. Side effects are often only temporary. Doctors and nurses can explain the possible side effects of treatment, and they can suggest ways to help relieve symptoms that may occur during and after treatment.

• Surgery for lung cancer is a major operation. After lung surgery, air and fluid tend to collect in the chest. Patients often need help turning over, coughing, and breathing deeply. These activities are important for recovery because they help expand the remaining lung tissue and get rid of excess air and fluid. Pain or weakness in the chest and the arm and shortness of breath are common side effects of lung cancer surgery. Patients may need several weeks or months to regain their energy and strength.
• Chemotherapy affects normal as well as cancerous cells. Side effects depend largely on the specific drugs and the dose (amount of drug given). Common side effects of chemotherapy include nausea and vomiting, hair loss, mouth sores, and fatigue.
• Radiation therapy, like chemotherapy, affects normal as well as cancerous cells. Side effects of radiation therapy depend mainly on the part of the body that is treated and the treatment dose. Common side effects of radiation therapy are a dry, sore throat; difficulty swallowing; fatigue; skin changes at the site of treatment; and loss of appetite. Patients receiving radiation to the brain may have headaches, skin changes, fatigue, nausea and vomiting, hair loss, or problems with memory and thought processes.
• Photodynamic therapy makes the skin and eyes sensitive to light for 6 weeks or more after treatment. Patients are advised to avoid direct sunlight and bright indoor light for at least 6 weeks. If patients must go outdoors, they need to wear protective clothing, including sunglasses. Other temporary side effects of PDT may include coughing, trouble swallowing, and painful breathing or shortness of breath. Patients should talk with their doctor about what to do if the skin becomes blistered, red, or swollen.

The Importance of Followup Care

Followup care after treatment for lung cancer is very important. Regular checkups ensure that changes in health are noticed, and if the cancer returns or a new cancer develops, it can be treated as soon as possible. Checkups may include physical exams, chest x-rays, or lab tests. Between scheduled appointments, people who have had lung cancer should report any health problems to their doctor as soon as they appear.

Providing Emotional Support

Living with a serious disease, such as cancer, is challenging. Apart from having to cope with the physical and medical challenges, people with cancer face many worries, feelings, and concerns that can make life difficult. They may find they need help coping with the emotional as well as the practical aspects of their disease. In fact, attention to the emotional and psychological burden of having cancer is often part of a patient's treatment plan. The support of the health care team (doctors, nurses, social workers, and others), support groups, and patient-to-patient networks can help people feel less alone and upset, and improve the quality of their lives. Cancer support groups provide a safe environment where cancer patients can talk about living with cancer with others who may be having similar experiences. Patients may want to speak to a member of their health care team about finding a support group.

Questions for Your Doctor

This information is designed to help you get information you need from your doctor, so that you can make informed decisions about your health care. In addition, asking your doctor the following questions will help you further understand your condition. To help you remember what the doctor says, you may take notes or ask whether you may use a tape recorder. Some people also want to have a family member or friend with them when they talk to the doctor--to take part in the discussion, to take notes, or just to listen.

Diagnosis

• What tests can diagnose lung cancer? Are they painful?
• How soon after the tests will I learn the results?
• What type of lung cancer do I have?

Treatment

• What treatments are recommended for me?
• What clinical trials are appropriate for my type of cancer?
• Will I need to be in the hospital to receive my treatment? For how long?
• How might my normal activities change during my treatment?

Side Effects

• What side effects should I expect? How long will they last?
• What side effects should I report? Whom should I call?

Followup

• After treatment, how often do I need to be checked? What type of followup care should I have?
• Will I eventually be able to resume my normal activities?

The Health Care Team

• Who will be involved with my treatment and rehabilitation? What is the role of each member of the health care team in my care?
• What has been your experience in caring for patients with lung cancer?

Resources

• Are there support groups in the area with people I can talk to? Are there organizations where I can get more information about cancer, specifically lung cancer?

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