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Transparent volume-doubling ruler with circular diagrams and scales; labeled Volume Doubling Ruler by Fibons.

Peer-Reviewed Studies Validating the Fibons Volume Doubling Ruler

September 30, 2026 by webtronix1

Accurate assessment of tumor kinetics is the cornerstone of modern oncological decision-making. In both clinical trials and routine patient care, evaluating the precise growth rate of a malignant lesion determines the efficacy of therapeutic interventions, dictates the necessity of surgical resection, and ultimately shapes patient prognosis. Historically, these assessments have relied on one-dimensional or two-dimensional …

Read morePeer-Reviewed Studies Validating the Fibons Volume Doubling Ruler
C.P. Spears M.D.

Who is Dr. Colin P. Spears?

July 1, 2026 by webtronix1

Dr. Colin Paul Spears, M.D. is a prominent, board-certified hematologist-oncologist and research physician based in Sacramento, California. Over a career spanning more than 50 years, he has made significant contributions to both clinical cancer care and translational oncology research. 🔬 Key Medical & Research Contributions 🏥 Clinical Leadership & Academic Career 🎓 Background & Education Dr. Spears …

Read moreWho is Dr. Colin P. Spears?
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