Radiation Oncology: Chapter 36 Breast Cancer || A+
Radiation Oncology: Chapter 36 Breast Cancer || A+
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Radiation Oncology: Chapter 36 Breast Cancer || A+
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Radiation Oncology: Chapter 36 Breast Cancer || A+
Which treatment field arrangement is used to increase the midaxillary dose to the prescribed level in some patients?
a. Intact breast tangents
b. Chest Wall tangents
c. Supraclavicular (SCV) field
d. Posterior axillary boost field (PAB) correct answers d. Posterior axillary boost field (PAB)
...
Radiation Oncology: Chapter 36 Breast Cancer || A+ Graded
Already.
Which treatment field arrangement is used to increase the midaxillary dose to the prescribed
level in some patients?
a. Intact breast tangents
b. Chest Wall tangents
c. Supraclavicular (SCV) field
d. Posterior axillary boost field (PAB) correct answers d. Posterior axillary boost field (PAB)
The lower border of the breast extends to which rib?
a. fifth
b. sixth
c. seventh
d. eighth correct answers b. sixth
What ligament holds the breast in place?
a. Cooper
b. Montgomery
c. Stoop
d. Paget correct answers a. Cooper
What is the standard dose delivered to the tumor bed following tangential treatments?
a. 4500 to 5000 cGy
b. 5000 to 5600 cGy
c. 6000 to 6600 cGy
d. 7000 to 76000 cGy correct answers a. 4500 to 5000 cGy
What is the medial treatment border when the internal mammary lymph nodes are to be included
in the tangential field?
a. Midline
b. 1 cm beyond midline to the contralateral side
c. 3 cm beyond midline to the contralateral side
d. 3 cm beyond midline to the ipsilateral side correct answers c. 3 cm beyond midline to the
contralateral side
What is the standard dose delivered to the SCV field?
a. 4000 to 4600 cGy
b. 4500 to 5000 cGy
c. 5000 to 5600 cGy
d. 6000 to 6600 cGy correct answers b. 4500 to 5000 cGy
Which of the following techniques may be used to adequately irradiate the internal mammary
(IM) lymph nodes while limiting the exposure to the other organs?
a. Anterior posterior (AP) 6 MV only
, b. Anterior posterior (AP) photon/electron combination
c. Anterior posterior (AP) 6 MeV only
d. Extended medial tangent correct answers b. Anterior posterior (AP) photon/electron
combinaiton
A woman's risk of developing breast cancer in the U.S. is _____________. correct answers 1 in 8
Which of the following increases the risk for developing breast cancer?
a. Breast implants
b. Late menarche
c. Early menarche
d. Early oophorectomy correct answers c. Early menarche
DCIS is classified as which stage? correct answers Stage 0
What quadrant do most breast cancers occur? correct answers Upper outer
T/F: Breast cancer is the most common cancer in women. correct answers True
T/F: Inverted nipples are always an indication of breast cancer. correct answers False
T/F: Most breast lumps feel hard and have irregular edges. correct answers True
T/F: Most breast cancers are infiltrating ductal carcinoma. correct answers True
T/F: Radiation therapy is the only treatment necessary for T1 and T2 breast cancers. correct
answers False
Patients found to have ____ or more nodes positive will be required to have the SCV area
treated. correct answers 4
What are some of the prognostic indicators for breast cancer? correct answers -Lymph node
status
-Tumor extent
-Histology
What is the most important prognostic indicator? correct answers Lymph node status
-# of positive axillary lymph nodes
What are some risk factors for breast cancer? correct answers -Gender: most significant
-Age: Increases during reproductive years after age 30, predominant group is 40-70 (median 55)
-Genetics: 5-10% result from gene changes
-Hormonal factors: early menarche (before age 12), oophorectomy before age 50 decreases
chances
What percent of breast cancers are directly attributed to BRCA 1 and 2? correct answers 5-6
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