Colorectal Cancer Mortality in Kazakhstan: Spatio-Temporal Epidemiological Assessment.

Objective: The aim is to study the trends in colorectal cancer (CRC) mortality in Kazakhstan.

Methods: The retrospective study was done using descriptive and analytical methods of oncoepidemiology. The extensive, crude and age-specific mortality rates are determined according to the generally accepted methodology used in sanitary statistics.

Age characteristics of incidences of prevalent cancers in the Aral Sea area of Kazakhstan.

The aim of the research was to examine age-specific features of incidence of cancer of the esophagus, lung, stomach, breast, cervix and thyroid gland in the Aral Sea area in Kazakhstan. A retrospective study of 11 years (1999-2009) was conducted using descriptive and analytical methods with calculated age incidence rates. The average age of patients with esophageal cancer and lung cancer had a tendency for increase with "aging", while in other cases "juvenation" was noted.