Primary tumor - Wikipedia
A primary tumor is a tumor growing at the anatomical site where tumor progression began and proceeded to yield a cancerous mass. Most solid cancers develop at their primary site but may then go on to metastasize or spread to other parts of the body.
Primary Cancer vs Secondary Cancer - Verywell Health
2023年2月14日 · Primary cancer is defined as the original site (organ or tissue) where cancer began. In contrast, a second or secondary cancer may be defined in a few ways; as either a new primary cancer in another region of the body or as metastasis (spread) of the original primary cancer to another region of the body.
Carcinoma of unknown primary - Symptoms and causes
2024年12月4日 · A carcinoma of unknown primary is an advanced cancer that has spread in the body. Most often, health professionals detect a cancer when it grows in the place where it started. The place where a cancer started growing is called the primary cancer.
Definition of primary tumor - NCI Dictionary of Cancer Terms
A term used to describe the original, or first, tumor in the body. Cancer cells from a primary tumor may spread to other parts of the body and form new, or secondary, tumors. This is called metastasis.
Malignant Neoplasm: What It Is, Types & Factors - Cleveland Clinic
2022年2月1日 · Malignant neoplasms are cancerous tumors. They develop when cells grow and divide more than they should. Malignant neoplasms can spread to nearby tissues and to distant parts of your body. Treatment options may include surgery, chemotherapy or radiation therapy. Early detection is key, so be sure to attend all recommended cancer screenings.
Cancer Staging - NCI - National Cancer Institute
Examples of cancers with different staging systems include brain and spinal cord tumors and blood cancers. In the TNM system. The T refers to the size and extent of the main tumor. The main tumor is usually called the primary tumor. The N refers to the number of nearby lymph nodes that have cancer.
Types of Primary Brain Tumors - Memorial Sloan Kettering Cancer Center
Most brain tumors fall into one of two categories: high grade (rapidly growing) or low grade (slow growing). At Memorial Sloan Kettering, we care for patients with all types of brain tumors, but here are some of the most common ones. Glioma is the most common type of primary brain tumor.
What is a primary cancer? | Ohio State Health & Discovery
2023年1月11日 · “Primary cancer” is the initial tumor or first tumor that’s found in the body. For example, with breast cancer, it would be a tumor found within the breast. “Secondary cancer” usually describes a primary cancer that’s spread (metastasized) to another part of the body.
Stages of Cancer: What They Mean & How Staging Works - Cleveland Clinic
2024年8月5日 · T (primary tumor): Describes the size of the tumor and any spread into nearby tissues. N (node): Describes the spread of cancer to nearby lymph nodes. M (metastasis): Describes metastasis — the spread of cancer to other parts of your body.
What is cancer of unknown primary? - Cancer Research UK
Cancer of unknown primary (CUP) means that cancer spread (secondary cancer) has been found in your body, but doctors don't know where the cancer started (the primary cancer). Your body is made up of billions of cells that can only be seen under a microscope.