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Exam (elaborations)

CRO Exam 4 Questions & Answers 2024/2025

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CRO Exam 4 Questions & Answers 2024/2025 What is the most common type of bladder cancer? A.Small cell B.Transitional cell carcinoma C.Urothelial carcinoma - ANSWERSC 90% of cases in the US Small cell is the least common (1%) What is the most least type of bladder cancer? A.Small...

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  • August 5, 2024
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  • 2024/2025
  • Exam (elaborations)
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CRO Exam 4 Questions & Answers
2024/2025

What is the most common type of bladder cancer?



A.Small cell

B.Transitional cell carcinoma

C.Urothelial carcinoma - ANSWERSC



90% of cases in the US

Small cell is the least common (1%)



What is the most least type of bladder cancer?



A.Small cell

B.Transitional cell carcinoma

C.Urothelial carcinoma - ANSWERSA



90% of cases in the US

Small cell is the least common (1%)



What is the dose limit for the small bowel when treating renal cell carcinoma?



A.45 Gy

B.40 Gy

C.<30% receiving 36-40 Gy

D.<20 Gy - ANSWERSB

, • Contralateral kidney: limit to <20 Gy in 2-3 weeks

• Liver: limit to <30% receiving 36-40 Gy

• Spinal cord: <45 Gy

• Small bowel: <40 Gy



Which of the following is a presentation for anal cancer?



A.Bleeding

B.Abdominal pain

C.Flatulence

D.Constipation - ANSWERSA



bleeding and discomfort, sensation of mass, pruritis, rectal urgency, genital warts, asymptomatic



What structures are blocked in the AP field for bladder cancer?

A.Urethra

B.Femoral heads

C.Small bowel

D.Rectum - ANSWERSB



S2-S3, lower pole of obturator foramen, widest bony pelvis margin +1.5-2 cm. Block medial border of
femoral heads.



field for bladder cancer

Lateral borders: 2 cm beyond CTVpelvis, same inferior and superior borders as for AP/PA field. Block
_________________ and ____________________ - ANSWERSrectum, small bowel.



What structures are blocked in the Lateral field for bladder cancer?

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