Stage distribution for 439 incidentally found gallbladder cancers in a German registry, according to type of surgery performed

Pathologic T (tumor) stage	Laparoscopic, percent (n = 239)	Open resection, percent (n = 131)	Conversion from laparoscopic to open resection* (n = 69)
pTis	5	2	1
pT1	21	21	19
pT2	56	38	24
pT3	12	19	46
pT4	4	15	7
pTx	3	5	3

* Conversion to an open procedure for non-oncologic reasons.

Data from: Goetze TO, Paolucci V. Benefits of reoperation of T2 and more advanced incidental gallbladder carcinoma: analysis of the German registry. Ann Surg 2008; 247:104.

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