aDepartment of Nuclear Medicine, MIOT International

bDepartment of Medical Oncology, Apollo cancer hospitals

cDepartment of Radiation Oncology, Apollo Proton Cancer Centre

dDepartment of Medical Oncology, Apollo Proton Cancer Centre

eDepartment of Pathology, Apollo Proton Cancer Centre, Chennai, Tamilnadu, India

Received 25 April 2022 Accepted 30 May 2022

Correspondence to Sumati Sundaraiya, MBBS, DRM, DNB, MNAMS, Department of Nuclear Medicine, MIOT International, 4/112, Mount Poonamallee Road, Manapakkam, Chennai – 600089, India, Tel: +91 94 4500 6784; e-mail: [email protected]