title: Reply.
authors.affiliation: Surgical Oncology Resident, Regional Cancer Centre, Thiruvananthapuram 695011, India. Electronic address: Sreekanth_skumar@yahoo.com.
authors.forename: Sreekanth S
authors.initials: SS
authors.lastname: Kumar
authors.affiliation: Department of Surgical Oncology, Regional Cancer Centre, Thiruvananthapuram 695011, India. Electronic address: georgeabe@gmail.com.
authors.forename: Nebu Abraham
authors.initials: NA
authors.lastname: George
authors.affiliation: Department of Pathology, Regional Cancer Centre, Thiruvananthapuram 695011, India. Electronic address: Venuanila@yahoo.com.
authors.forename: K R
authors.initials: KR
authors.lastname: Anila
authors.affiliation: Regional Cancer Centre, Thiruvananthapuram 695011, India. Electronic address: Psebastian2091@gmail.com.
authors.forename: Paul
authors.initials: P
authors.lastname: Sebastian