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→Selection and trimming: +Image
:*When selecting tissue for submission after fixation, make 3-4 mm thick '''slices'''.<ref name=Roychowdhury/>
*'''Inspect''' for any grossly visible lesions. If found, measure at least the greatest dimension of the lesion on the slice where it appears largest. {{Moderate-begin}}Also compare the greatest gross measurement (including any palpated one) with the greatest measurement at previous imaging, and note if it confers a staging discrepancy between imaging and gross dimensions, with cutoffs at 0.1 cm, 0.5 cm, 1.0 cm, 2.0 cm, and 5 cm.{{Moderate-end}}
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File:Histopathology of invasive ductal carcinoma and a radioactive seed.jpg|'''[[Invasive ductal carcinomas]]''' generally appear grossly as tan-white firm areas, here seen (white arrow) on a slice with inked margins. A radioactive seed (black arrow) was inserted by radiology to locate the tumor.
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;'''Re-excisions''':
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