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Cancer arises from the transformation of normal cells into tumour cells in a multi-stage process that generally progresses from a pre-cancerous lesion to a malignant tumour. These changes are the result of the interaction between a person's genetic factors and three categories of external agents, including:
A neoplasm and malignant tumour are other common names for cancer. Cancer is the second leading cause of death globally, accounting for an estimated 9.6 million deaths, or 1 in 6 deaths, in 2018. Lung, prostate, colorectal, stomach and liver cancer are the most common types of cancer in men, while breast, colorectal, lung, cervical and thyroid ...
The strategies for improving breast cancer outcomes depend on fundamental health system strengthening to deliver the treatments that are already known to work. These are also important for the management of other cancers and other non-malignant noncommunicable diseases (NCDs).
Diagnostic methods for lung cancer include physical examination, imaging (such as chest X-rays, computed tomography scans, and magnetic resonance imaging), examination of the inside of the lung using a bronchoscopy, taking a sample of tissue (biopsy) for histopathology examination and definition of the specific subtype (NSCLC versus SCLC), and ...
Purpose/Definition. Used principally in tumour or cancer registries for coding the site (topography) and the histology (morphology) of neoplasms, usually obtained from a pathology report. Classification structure. ICD-O is a multi-axial classification of the site, morphology, behaviour, and grading of neoplasms.
Key facts. Colorectal cancer is the third most common cancer worldwide, accounting for approximately 10% of all cancer cases and is the second leading cause of cancer-related deaths worldwide.
A WHO fact sheet providing key facts, definition, and information on malaria transmission, symptoms, diagnosis, treatment, prevention, and global response.
Overview. Globally, cervical cancer is the fourth most common cancer in women, with around 660 000 new cases in 2022.
Key facts . Human papillomavirus (HPV) is the name of a group of 200 known viruses. They do not cause concerns in most people, but infection with some high-risk types is common and can cause genital warts or cancer.
Cervical cancer is one of the most preventable and treatable forms of cancer, as long as it is detected early and managed effectively . We have the technical, medical and policy tools and approaches to eliminate it. The burden of cervical cancer falls on the women who lack access to health services.