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...
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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