Competing Risk Nomogram

Predicting Probabilities of Developing a Second Primary Malignancy for Colorectal Cancer Patients

1.Initial diagnosed primary site
Colon	Rectum
2.Initial cancer diagnosed age
﹤50	50-64	65-79
3.Sex
Male	Female
4.Race
White	Black	Other
5.Extent of disease
Localized	Reginal	Distant
6.Grade
I (well differentiated)	II (moderately differentiated)	III (poorly differentiated)
7.Surgery
Local or partial resection	Total resection	No surgery

3-year probability of developing a second primary cancer

5-year probability of developing a second primary cancer

10-year probability of developing a second primary cancer