OARs in pelvic Irradiation
Acute
Late
Small bowel
√
√
Large bowel
√
√
Sigmoid colon
√
√
Rectum
√
√
Anal canal
√
√
Urinary bladder
√
√
Bone marrow (pelvic bones, femur head, sacrum)
√
√
Ovaries
√
Lumbosacral plexus
√
Kidneys
√
Skin & subcutaneous tissue
√