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Ischemic colitis happens when blood flow to the colon is reduced or blocked. It should be treated right away.

A lumbar drain is a soft, thin, sterile tube (also called a catheter) that your healthcare provider places though the skin of your back, into your lower (lumbar) spine. The drain collects cerebrospinal fluid (CSF). This is a clear fluid that surrounds your spinal cord and brain to protect them from injury. Read on to learn more about lumbar drain placement and how it’s done.

Learn more about Raynaud disease, including symptoms, causes, risk factors, and possible triggers.

SBRT is a form of radiation therapy used to treat cancer. Read on to learn details of when it may be used, and what to expect before and after treatment.

Radiation therapy is often used as a treatment against cancer. IMRT is a form of radiation therapy. Depending on your treatment goals, IMRT may be used to help treat your cancer. This sheet tells you more about IMRT and what to expect.

Liposuction is a type of cosmetic surgery to remove excess fat from specific body areas.

Melanoma is a type of skin cancer. Here's what to expect if you have surgery for melanoma removal.

A skin graft is a piece of healthy skin (graft) that is moved from 1 part of your body to another. If you have a large wound, a skin graft can help close it. This allows the wound to heal. Or a skin graft can be used to treat a scar (a mark left after a wound has healed).

In some cases, scar revision surgery can help improve the look of a scar or make it less visible. If the scar tissue is tight and restricts movement of the skin, revision can improve this. Z-plasty is a method of scar revision.