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Comparison between the first and second series of the AFIP tumor fascicles is inevitable. Knowing Dr. Koss' interests, one could predict, as is true, that there is much more information on urinary cytology present in the second series. The other major feature is the "downgrading" of the papilloma to a somewhat precarious status as a rare tumor as opposed to the earlier view which considered what most pathologists in this country would call Grade I papillary transitional cell carcinoma under the heading of papilloma. There is a good deal more material on the grading of papillary carcinomas of the bladder
Tumors of the Urinary Bladder.. Ann Intern Med. 1975;83:440–441. doi: 10.7326/0003-4819-83-3-440_3
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Published: Ann Intern Med. 1975;83(3):440-441.
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