Stage IB
specificInvasive cancer confined to the original anatomic site of growth without lymph node involvement. The definition of stage IB depends on the particular type of cancer that it refers to; for example, for bone cancer, stage IB includes: (T2, N0, M0, G1 or GX); (T3, N0, M0, G1 or GX). T2: Tumor measuring more than 8 cm in greatest dimension. T3: Discontinuous tumors in the primary bone site. N0: No regional lymph node metastasis. M0: No distant metastasis. GX: Grade cannot be assessed. G1: Well diffe
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Centers
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Active Trials
$3M
Cancer Funding
Top Centers for Stage IB(1)
Ranked by research excellence score (trials · grants · publications). Methodology →
| # | Center | Score |
|---|---|---|
| 1 | UC San Diego Moores Cancer CenterLa Jolla, CA NCI Comprehensive High-Volume Research Center | 100.0 |
Research tier badges reflect trial volume, NIH grant funding, and publication impact — not clinical outcomes or patient satisfaction. Learn about our methodology →