Why can radiation be effective in the treating of cancer?

Chordae tendineae are involved with which valve(s)?

Parents concerned about their unborn child having a genetic abnormality can have genetic testing performed. This would include:

Which statement is true of chemotherapy?

Which statement regarding HDL cholesterol is true?

A patient is diagnosed with mitral valve prolapse. What does this mean?

What can be learned from an electrocardiogram?

What does it mean for a tumor to be in situ?

Which is true about tumor markers?

Which is a factor for the signs and symptoms of cancer?