**Author details**

Zuzak Sharafuddin, Rejnish Ravikumar, Malu Rafi, Lekha Madhavan Nair, John Mathew and Kainickal Cessal Thommachan\* Department of Radiation Oncology, Regional Cancer Centre, Thiruvananthapuram, Kerala, India

\*Address all correspondence to: drcessalthomas@gmail.com

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