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All radiotherapy plans included in the analysis had been generated and used for actual patient treatment as part of routine clinical care. No clinical, dosimetric, or treatment-related decision was altered because of this study, and no additional intervention or procedure was performed. This study was reviewed by the Institutional Ethics Committee (IEC) of Andromeda Cancer Hospital, Kundli, Sonipat, Haryana, India. The IEC determined that formal ethical approval was not required for this study and granted a\u00a0waiver of ethical approval. All patients had provided general consent for the use of their clinical information for institutional, academic, and research purposes; therefore, no study-specific consent was required.","order":1,"name":"Ethics","label":"Ethical approval and consent to participate","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"Not applicable.","order":2,"name":"Ethics","label":"Consent for publication","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"S.\u00a0Singh, S.\u00a0Sen, A.\u00a0Kumar Singh, Dipesh, M.\u00a0Bhushan, K.\u00a0Raman Samuvel, S.\u00a0Pal, S.\u00a0Tandon, A.R.\u00a0Bellige, M.\u00a0Gairola, and Mahipal declare that they have no competing interests.","order":3,"name":"Ethics","label":"Conflict of interest","group":{"name":"EthicsHeading","label":"Declarations"}}]}}