New Delhi: 27 July 2024 : Around 26 per cent of cancer patients in India have tumours in the head and neck, and there is an upward trend of such cases in the country, a study has found. The findings of the study, conducted on 1,869 cancer patients across the country, were released on the World Head and Neck Cancer Day observed on Saturday. Cancer Mukt Bharat Foundation, a Delhi-based non-profit organisation, conducted the study by collating data from calls received on its helpline number from March 1 to June 30.