PREVENTIVE ONCOLOGY
HISTORY
The cancer control activities by the Cancer Institute (WIA), Chennai, dates back to 1961-62 when a survey of 10,775 patients attending the primary health centres in Chingleput district for any ailment was carried out analogous to opportunistic screening for cancer. This laid the foundation for the first pilot program on cancer control by the WHO in India (Shanta, 1965; Shanta and Krishnamurthi, 1969). Due to financial limitations, we could not undertake any major control programmes for the next 20 years, except limited "opportunistic screening" in the corporation hospitals in Madras City.
This was followed by