A 33 yrs pt with a suspected renal tumor / mass is diagnosed by exfoliative urinary cytology.Which histological types is most likely to be diagnosed on urinary exfoliative cytology:

• A. Well differentiated carcinoma (low grade)
• B. All three types can be easily detected on exfoliative cytology
• C. Transitional cell carcinoma
• D. Adenocarcinoma