Definition of «tumor»

A tumor is an abnormal mass or swelling in a part of the body, usually caused by uncontrolled cell growth.

The patient underwent surgery to remove a brain tumor.
The doctor ordered an MRI scan to determine the size and location of the lung tumor.
The biopsy results confirmed the presence of a malignant tumor in the breast.
Radiation therapy was recommended to treat the prostate tumor.
The veterinarian discovered a tumor on the dog's spleen during a routine check-up.
The oncologist explained that chemotherapy is necessary to shrink the colon tumor.
Genetic testing can help identify individuals at a higher risk of developing certain types of tumors.
The patient experienced fatigue and weight loss, which were later attributed to a thyroid tumor.
Early detection of skin tumors can be crucial in preventing the spread of melanoma.
A tumor marker test was performed to monitor the progress of the patient's ovarian tumor.

This means there is no microscopic signs of tumor cells in the tissue submitted for analysis. (lbah.com)
The study strongly suggests that copper is an essential factor for the growth of tumors in humans as well. (sciencedaily.com)
In many cases cancers can be diagnosed by withdrawing a sample of tumor cells with a small needle, while in other cases a surgical biopsy may be performed. (ivghospitals.com)
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