Is cancer incidence increasing?

I met Roopa the other day and she asked me, “Doc, every friend or relative seems to be having cancer. Why? Is cancer incidence increasing?”

I am asked this question very frequently and I keep giving same answers to explain ( not convincingly ) the increasing numbers. With increasing longevity of life there is likely to be more cancer & non-communicable diseases. Life styles have changed and may contribute.

I recently went to the Indian Cancer Society Meeting on the Cancer Registry Project.   The Mumbai Cancer Registry records only residents of Mumbai and not migrant population and has plotted the incidence over the last three decades. Great work and a tough one too!

Breast and Lung cancers are increasing. There is  increase also in rectal and colon cancer.There is a continuous and constant increase in liver and gall bladder cancer in Mumbai. It is likely due to migrant population from north settling in Mumbai. Cervical cancer is decreasing as the hygiene is improving and parity is decreasing. In short we are transforming into a western pattern of incidence.

The worrying feature, however,  is the increase in mortality due to cancer. Stage to stage, more patients succumb in India than in other countries.

We have not made a significant dent overall in treatment. Its not that we don’t have facilities or expertise. We just continue to see patients in advanced stages.

I chaired a panel of experts.. The panel felt that prevention and early detection are the key. What is required is better diagnostic facilities for early detection

  • Creating awareness among people
  • Lifestyle modifications
  • Physician awareness and referal

These are not really difficult and if we concentrate on this perhaps we can start showing decrease as it is already happening in some of the countries in the West, in gastric, lung and cervical cancer.

More thoughts on these later.

 

 

 

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