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Lung cancer, also known as lung carcinoma, is a malignant lung tumor characterized by uncontrolled cell growth in tissues of the lung. Lung carcinomas derive from transformed, malignant cells that originate as epithelial cells, or from tissues composed of epithelial cells. Other lung cancers, such as the rare sarcomas of the lung, are generated by the malignant transformation of connective tissues, which arise from mesenchymal cells. Lymphomas and melanomas can also rarely result in lung cancer.
Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. These contrast with benign tumors, which do not spread. Possible signs and symptoms include a lump, abnormal bleeding, prolonged cough, unexplained weight loss, and a change in bowel movements. While these symptoms may indicate cancer, they can also have other causes. Over 100 types of cancers affect humans.
Malignancy is the tendency of a medical condition to become progressively worse.
Small-cell carcinoma is a type of highly malignant cancer that most commonly arises within the lung, although it can occasionally arise in other body sites, such as the cervix, prostate, and gastrointestinal tract. Compared to non-small cell carcinoma, small cell carcinoma has a shorter doubling time, higher growth fraction, and earlier development of metastases.
Glioblastoma, previously known as glioblastoma multiforme (GBM), is one of the most aggressive types of cancer that begin within the brain. Initially, signs and symptoms of glioblastoma are nonspecific. They may include headaches, personality changes, nausea, and symptoms similar to those of a stroke. Symptoms often worsen rapidly and may progress to unconsciousness.
In medicine, proton therapy, or proton radiotherapy, is a type of particle therapy that uses a beam of protons to irradiate diseased tissue, most often to treat cancer. The chief advantage of proton therapy over other types of external beam radiotherapy is that the dose of protons is deposited over a narrow range of depth; hence in minimal entry, exit, or scattered radiation dose to healthy nearby tissues.
Adjuvant therapy, also known as adjunct therapy, adjuvant care, or augmentation therapy, is a therapy that is given in addition to the primary or initial therapy to maximize its effectiveness. The surgeries and complex treatment regimens used in cancer therapy have led the term to be used mainly to describe adjuvant cancer treatments. An example of such adjuvant therapy is the additional treatment usually given after surgery where all detectable disease has been removed, but where there remains a statistical risk of relapse due to the presence of undetected disease. If known disease is left behind following surgery, then further treatment is not technically adjuvant.
A blastoma is a type of cancer, more common in children, that is caused by malignancies in precursor cells, often called blasts. Examples are nephroblastoma, medulloblastoma, and retinoblastoma. The suffix -blastoma is used to imply a tumor of primitive, incompletely differentiated cells, e.g., chondroblastoma is composed of cells resembling the precursor of chondrocytes.
Non-small-cell lung cancer (NSCLC) is any type of epithelial lung cancer other than small-cell lung carcinoma (SCLC). NSCLC accounts for about 85% of all lung cancers. As a class, NSCLCs are relatively insensitive to chemotherapy, compared to small-cell carcinoma. When possible, they are primarily treated by surgical resection with curative intent, although chemotherapy has been used increasingly both preoperatively and postoperatively.
Afatinib, sold under the brand name Gilotrif among others, is a medication used to treat non-small cell lung carcinoma (NSCLC). It belongs to the tyrosine kinase inhibitor family of medications. It is taken by mouth.
Oncology is a branch of medicine that deals with the study, treatment, diagnosis and prevention of cancer. A medical professional who practices oncology is an oncologist. The name's etymological origin is the Greek word ὄγκος (ónkos), meaning "tumor", "volume" or "mass". Oncology is concerned with:
Cancer can be treated by surgery, chemotherapy, radiation therapy, hormonal therapy, targeted therapy and synthetic lethality, most commonly as a series of separate treatments. The choice of therapy depends upon the location and grade of the tumor and the stage of the disease, as well as the general state of the patient. Cancer genome sequencing helps in determining which cancer the patient exactly has for determining the best therapy for the cancer. A number of experimental cancer treatments are also under development. Under current estimates, two in five people will have cancer at some point in their lifetime.
A brain metastasis is a cancer that has metastasized (spread) to the brain from another location in the body and is therefore considered a secondary brain tumor. The metastasis typically shares a cancer cell type with the original site of the cancer. Metastasis is the most common cause of brain cancer, as primary tumors that originate in the brain are less common. The most common sites of primary cancer which metastasize to the brain are lung, breast, colon, kidney, and skin cancer. Brain metastases can occur in patients months or even years after their original cancer is treated. Brain metastases have a poor prognosis for cure, but modern treatments are allowing patients to live months and sometimes years after the diagnosis.
Treatment of lung cancer refers to the use of medical therapies, such as surgery, radiation, chemotherapy, immunotherapy, percutaneous ablation, and palliative care, alone or in combination, in an attempt to cure or lessen the adverse impact of malignant neoplasms originating in lung tissue.
Pembrolizumab, sold under the brand name Keytruda, is a humanized antibody used in cancer immunotherapy that treats melanoma, lung cancer, head and neck cancer, Hodgkin lymphoma, stomach cancer, cervical cancer, and certain types of breast cancer. It is given by slow injection into a vein.
Cancer and nausea are associated in about fifty percent of people affected by cancer. This may be as a result of the cancer itself, or as an effect of the treatment such as chemotherapy, radiation therapy, or other medication such as opiates used for pain relief. About 70 to 80% of people undergoing chemotherapy experience nausea or vomiting. Nausea and vomiting may also occur in people not receiving treatment, often as a result of the disease involving the gastrointestinal tract, electrolyte imbalance, or as a result of anxiety. Nausea and vomiting may be experienced as the most unpleasant side effects of cytotoxic drugs and may result in patients delaying or refusing further radiotherapy or chemotherapy.
The PARAMOUNT trial is a clinical trial studying non-small-cell lung carcinoma (NSCLC). The trial was sponsored by Eli Lilly and Company and was conducted in several European countries and Canada. It was registered in November 2008 and was projected to end in September 2013.
Durvalumab is an FDA-approved immunotherapy for cancer, developed by Medimmune/AstraZeneca. It is a human immunoglobulin G1 kappa (IgG1κ) monoclonal antibody that blocks the interaction of programmed cell death ligand 1 (PD-L1) with the PD-1 (CD279).
Cancer in adolescents and young adults is cancer which occurs in those between the ages of 15 and 39. This occurs in about 70,000 people a year in the United States—accounting for about 5 percent of cancers. This is about six times the number of cancers diagnosed in children ages 0–14. Globally, nearly 1 million young adults between the ages of 20 and 39 were diagnosed with cancer in 2012, and more than 350,000 people in this age range died from cancer.
The UK Coronavirus Cancer Programme or UKCCP is one of the longest running UK pandemic research programmes to safeguard, monitor and protect individuals living with cancer from COVID-19 across the United Kingdom.
References
- ↑ Dhodapkar M, Dhodapkar K, Ahmed R (January 2021). "Viral Immunity and Vaccines in Hematologic Malignancies: Implications for COVID-19". Blood Cancer Discovery. 2 (1): 9–12. doi: 10.1158/2643-3230.BCD-20-0177 . PMC 8486288 . PMID 34604788.
- ↑ "COVID-19 och cancer". www.internetmedicin.se. Retrieved 13 May 2020.
- 1 2 3 Burki, Talha Khan (1 May 2020). "Cancer guidelines during the COVID-19 pandemic". The Lancet Oncology. 21 (5): 629–630. doi: 10.1016/S1470-2045(20)30217-5 . ISSN 1470-2045. PMC 7270910 . PMID 32247319.
- ↑ "Clinical guide for the management of noncoronavirus patients requiring acute treatment: Cancer" (PDF). Archived from the original (PDF) on 29 July 2020. Retrieved 13 May 2020.
- ↑ "Förekomst och utfall av covid-19 hos personer med cancer" (PDF) (in Swedish). Swedish National Board of Health and Welfare. 2020-06-17. Dnr. 5.7-31575/2019. Retrieved 2022-04-02.
- ↑ "Cancer Care During the COVID-19 Pandemic: An ESMO Guide for Patients". www.esmo.org. Retrieved 13 May 2020.
- ↑ "ESSO Statement on COVID-19 :: ESSO". www.essoweb.org. Archived from the original on 5 November 2020. Retrieved 13 May 2020.
- ↑ Saini, Geetanjali; Aneja, Ritu (June 2021). "Cancer as a prospective sequela of long COVID-19". BioEssays: News and Reviews in Molecular, Cellular and Developmental Biology. 43 (6): e2000331. doi:10.1002/bies.202000331. PMC 8206711 . PMID 33914346.
