PET scans can light up tumors in the body and help doctors determine if they are cancerous or benign (noncancerous). The results of a PET scan help guide medical decisions. A PET scan is a type of ...

Most breast lumps are benign. A benign breast lump is more likely to be tender and have a defined shape. But it’s not possible to know whether a lump is benign based on how it feels. See your doctor ...

A prank virus that does not cause damage. It does such things as randomly displaying a message on screen declaring "Peace on Earth" or causing the computer to make a clicking sound every time a key is ...

Discovering a lump can be alarming, but not all are dangerous. Cysts, typically fluid-filled and harmless, differ from tumours, which are solid growths that can be benign or malignant. Understanding ...

Noticing a lump in your body can be frightening, but not every lump signals danger or indicates a serious medical issue. Many people mistake cysts for tumours or vice versa, yet understanding the ...