In a retrospective study 6890 patients with prostate cancer from the N
orth Swedish Cancer Register were analyzed according to cancer specifi
c survival. Prostate cancer mortality was 40 % in patients with well d
ifferentiated cancers, 54 % in patients with moderate differentiated p
rostate cancer and 72 % in men with low differentiated prostate cancer
. Prostate cancer mortality was 80 % in men younger 60 years, 63 % in
men 60-69 years old, 53 % in men 70-79 years old and 49 % in men older
than 80 years.