An entrepreneur and investor in the biotechnology
industry, Dr. Lindsay Rosenwald has helped numerous
pharmaceutical companies to research and develop
highly effective drugs.
As a co-founder and original financial supporter of
Cougar Biotechnology, Dr. Lindsay Rosenwald oversaw
the company as it developed the drug Zytiga, which
produced unprecedented results in patients with end-
stage and untreatable prostate cancer.
In the field of oncology, cancer staging helps patients
and physicians to classify the severity of a cancer
In addition to helping a physician develop an
appropriate course of treatment, it also facilitates
prognosis and identifies patients for suitable clinical
Staging systems typically depend on a number of common
elements, including the spread of cancer to the lymph
nodes, location of the primary tumor, tumor size, and the
number of tumors.
The TNM staging system, one of the most commonly used
by physicians today, classifies cancer based on tumor
extent, spread to lymph nodes, and the presence of
Based on the TNM evaluation, a physician can then place a
patient’s cancer diagnosis into one of five stages, which
range from Stage 0 to Stage IV.
Stage 0 cancer represents an early cancer that has not
spread to other tissues, while stage IV cancer has typically
spread to another organ in the body.