What is a tumor? A tumor, or neoplasm, is a mass of abnormal cells that form in your body. Tumors can affect tissues, glands, organs, skin and bone. They can be big or small. You can have a single tumor …

Jun 10, 2025 · A neoplasm, or tumor, is an abnormal growth of tissue that can be benign or cancerous. Medical oncologist Matthew Wright, M.D., shares what you should know about neoplasms.

Mar 31, 2025 · When a neoplasm forms into an abnormal growth, mass, or lesion, it’s called a tumor. Unlike cysts, tumors are usually solid and firm because they are filled with clumps of abnormal cells.

Nov 16, 2023 · A tumor is an abnormal mass of tissue that may be benign, premalignant, or cancerous. Find out more about the types of tumor here.

Aug 6, 2025 · A tumor is an abnormal growth of cells that serves no purpose. A benign tumor is not a malignant tumor, which is cancer.

Jul 29, 2024 · A tumor is a cluster of abnormally growing cells that may or may not be cancerous. This article overviews the types, how they look, and diagnosis.

This medical professional will tell you what type of tumor you have and how to treat it. You should also educate yourself and understand the difference between a malignant and benign tumor.

Nov 21, 2025 · Each tumor site and type presents its own specific set of clinical manifestations. However, there are a number of common clinical presentations, or syndromes, caused by many …

Surgical removal of the tumor is often the first line of treatment for many solid tumors. The goal is to excise the tumor completely while preserving as much normal tissue as possible.

tumor (TOO-mer) An abnormal mass of tissue that forms when cells grow and divide more than they should or do not die when they should. Tumors may be benign (not cancer) or malignant (cancer). …