Glossary

m
Malignant

Cancerous tissue.

Mammosite

A temporary applicator surgically implanted in the postoperative breast at the site of removal. Treatment is delivered by an HDRi source usually twice a day for 10 treatments.

Medicaid

Government-funded program in the United States that provides medical expense coverage for eligible people under age 65 who are indigent and meet certain other criteria.

Medicare

Federal program that covers health care for individuals age 65 and over.

Medicare Carrier

A government program of medical care especially for the elderly.

Medicare Part A

The Medicarei component that provides basic hospital insurance to cover the costs of inpatient hospital services, confinement in nursing facilities or other extended care facilities after hospitalization, home care services following hospitalization, and hospice care.

Medicare Part B

The Medicarei component that provides benefits to cover the costs of physicians' professional services, whether the services are provided in a hospital, a physician's office, an extended-care facility, a nursing home, or an insured's home.

Medicare Supplemental

The preferred term for coverage that pays many of the costs not covered by the federal program.

Metastatic

The spread of cancer from one part of the body to another.

Modifier

A code appended to a procedure code that used to indicate extra information about the procedure or to qualify the procedure to be billed specially.

MRI scan

A magnetic resonance imaging scan is a procedure that uses a magnetic field to create detailed pictures of the body.

Multi Leaf Collumnator

Moveable blocks withing the head of the collumnator that change the configuration of the beam. Instead of simple linear blocks that only move in and out, the multi-leaf device will allow the physician to create an irregular or custom shaped port without the need for external beam shaping blocks.