Dr. Pushpa Naga_Aster Hospitals

Dr. Pushpa Naga C H

Senior Specialist - Radiation Oncology

MBBS, MD (Radiation Oncology), DNB (Radiation Oncology) Fellowship in Gynaecological Radiation Oncology
English, Hindi, Kannada

Dr. Pushpa Naga CH is a Radiation Oncologist with experience of 10 years as a specialist in the field. Her specialisation in advanced radiation therapy delivers comprehensive care for a multitude of cancers. Her expertise lies in managing women cancers, particularly through innovative procedures like brachytherapy and high- precision radiotherapy techniques such as IM-IGRT and Stereotactic radiation therapy.

She graduated MBBS from Sri Siddhartha Medical College, Tumkur in 2009. She completed her Master's in Radiation Oncology from M.S. Ramaiah Medical College, Bengaluru. She has pursued advanced senior residency training in Radiation Oncology at Tata Memorial Hospital - Mumbai, a premier cancer institute in India. She has also successfully accomplished a fellowship in Gynaecological cancers at Tata Memorial Hospital, Mumbai. Following this she has worked at renowned cancer institutes including Medanta – The Medicity, Delhi NCR and Apollo Cancer Centre, Bangalore.

Dr. Pushpa has excelled throughout her career with many notable accomplishments in both patient care and clinical research. Through her patient-centric approach, she constantly adapts the latest cutting edge treatment options. Leveraging her diverse expertise, she has mentored students and young colleagues while collaborating closely with eminent experts and peers to combat the critical issue of cancer.

Area of expertise
  • Gynaecological cancers/ Breast Cancers / Head and Neck Cancers / Paediatric Tumors.
  • Modern radiotherapy procedures include IM-IGRT, VMAT and Gating.
  • Advanced Brachytherapy applications including MR-based Image-guided Brachytherapy- Intracavitary, Interstitial (Breast, Perineal Implants, and STS), Intraluminal and Surface Moulds.
  • Special radiotherapy procedures – SRS/ SRT, SBRT, APBI, IOERT, TBI, TSET
Awards and recognitions
  • She has won several awards at national and international conferences for her clinical work.
  • Best Paper Award at 25th AGOI & 15th WCI-TMH Annual conference, Mumbai - Oct 2017.
  • Best Poster Award at 1st Joint Karnataka - Maharashtra chapter's AROI Annual meeting, Goa - Aug 2013.
  • Best Poster Award at 6th Indian brachytherapy society IBSCON Annual conference, Chennai - Aug 2016.
  • Second topper of RGUHS university examination in M.D. Radiation Oncology May 2014.
  • Has been a Guest Speaker, Panel Discussion Moderator, Expert Panelist, and Judge at several State, National & International Conferences.
  • Has been an active reviewer panel member of several international and multidisciplinary journals.


  • Dr. Pushpa has one 35 peer-reviewed scientific publications in high-impact national and international journals such as Clinical Oncology, IJROBP, Radiotherapy and Oncology, BJR, Brachytherapy, Gynaecologic Oncology etc. along with over 300+ article citations.
    Link: https://scholar.google.co.in/citations?user=v7L-0PQAAAAJ&hl=en

    Particulars of Article:
  • Pushpa Naga CH, Lavanya Gurram, Supriya Chopra, Umesh Mahantshetty*. The management of locally advanced cervical cancer. Current opinion in oncology. 2018 Sep;30(5):323-329. doi: http://dx.doi.org/10.1097/CCO.0000000000000471. PMID: 29994902.
  • Pushpa Naga CH*, Janaki M.G, Arul Ponni T.R, Rajeev A.G, Kirthi Koushik A.S, Manjunath G.N. Quantification of dose-volume and dose-length parameters for cervical esophageal stricture in head and neck irradiation between 3-DCRT and IMRT. Journal of Medical Imaging and Radiation Sciences. 2017 Sep;48(3):288-293. doi: http://dx.doi.org/10.1016/j.jmir.2017.02.070. PMID: 31047412.
  • Pushpa Naga CH*, Janaki M.G, Arul Ponni T.R, Kirthi Koushik A.S, Mohan Kumar S. Accelerated Radiation Therapy Using Weekend Boost with Concurrent Cisplatin in Head and Neck Squamous Cell Cancers: An Indian Institutional Experience. Journal of Medical Imaging and Radiation Sciences. 2017 Sep;48(3):307-315. doi: http://dx.doi.org/10.1016/j.jmir.2017.05.001. PMID: 31047415.
  • Pushpa Naga CH*, Janaki M.G, Kirthi Koushik A.S. Role of altered fractionation radiotherapy schedules in head and neck squamous cell carcinoma: Rationale, evidence and clinical issues. Cancer Research Frontiers. 2017; 3(1): 215-229. doi: http://dx.doi.org/10.17980/2017.215.
  • Kataria T, Pushpa Naga CH, Banerjee S, Gupta D, Narang K, Tayal M, Bisht SS. CyberKnife Stereotactic Ablative Radiotherapy for Recurrent or Oligometastatic Gynecological Cancers. South Asian Journal of Cancer. 2021 Apr;10(02):107-11. doi: https://doi.org/10.1055/s-0041-1731576. PMID: 34568224
  • Umesh Mahantshetty*, Pushpa Naga CH, Chira R Khadanga, Shivakumar Gudi, Supriya Chopra, Lavanya Gurram, Swamidas Jamema, Yogesh Ghadi, Shyamkishore Shrivastava. A prospective comparison of CT based with trans-rectal ultrasonography (TRUS) assistance and MRI based target-volume definition during image guided adaptive brachytherapy for cervical cancers. International Journal of Radiation Oncology • Biology •Physics. 2018 Dec;102(5):1448-1456. doi: http://dx.doi.org/10.1016/j.ijrobp.2018.05.080. PMID: 30146092
  • Mahantshetty U,  Pushpa Naga CH, Nachankar A, Ghadi Y, Dheera A, Scaria L, Epili D, Chopra S, Lavanya G, Shrivastava S. Set-Up Errors, Organ Motion, Tumour Regression and its Implications on Internal Target Volume–Planning Target Volume During Cervical Cancer Radiotherapy: Results From a Prospective Study. Clinical Oncology. 2022 Mar 1;34(3):189-97. doi: https://doi.org/10.1016/j.clon.2021.10.010. PMID: 34736842
  • Kumar A, Gurram L, Pushpa Naga CH, Nayak P, Mulye G, Chopra S, Engineer R, Shrivastava SK, Gupta S, Ghosh J, Gulia S, Agarwal JP, Mahantshetty U. Correlation of Hematological Parameters With Clinical Outcomes in Cervical Cancer Patients Treated With Radical Radio(chemo)therapy: A Retrospective Study. International Journal of Radiation Oncology • Biology •Physics. 2024 Jan 1;118(1):182-191. doi: https://doi.org/10.1016/j.ijrobp.2023.07.022. Epub 2023 Jul 26. PMID: 37506980.
  • Umesh Mahantshetty*, Pushpa Naga CH, Reena Engineer, Supriya Sastri, Yogesh Ghadi, Udita Upreti, Vija-ya Somesan, Sudarshan Kadam, Satish Kohle, Deepak Deshpande, Shyam Kishore Shrivastava. Clinical outcome of high dose rate interstitial brachytherapy in vulvar cancer: A single institutional experience. Brachytherapy. 2017 Jan - Feb;16(1): 153-160. doi: http://dx.doi.org/10.1016/j.brachy.2016.10.003. PMID:27876410
  • Shirley Lewis, Supriya Chopra, Pushpa Naga, Siddharth Pant, Umesh Mahantshetty, Shyamkishore Shrivastava. Acute hematological toxicity during post- operative bowel sparing image-guided intensity modu-lated radiation with concurrent cisplatin. The British Journal of Radiology. 2018 Dec;91(1092):20180005. doi: https://doi.org/10.1259/bjr.20180005.  PMID: 30179056
  • Umesh Mahantshetty*, Tanuja teni, Pushpa Naga, Chandni, Sumuki Umesh et al. Impact of HPV 16/18 infec-tion on clinical outcomes in locally advanced cervical cancers treated with radical radio (chemo) therapy-A prospective observational study. Gynecologic oncology. 2018 Feb;148(2):299-304. doi: http://dx.doi.org/10.1016/j.ygyno.2017.11.034. PMID: 29203175.
  • Umesh Mahantshetty, Alina Sturdza*, Pushpa Naga CH, Daniel Berger, Dheera A, Israel Fortin, Laura Motisi, JNicole Nesvacil, Richard Pötter. Vienna-II ring applicator for distal parametrial disease in cervical cancer brachytherapy: An experience from two- institutions: Clinical feasibility and outcome. Radiotherapy and Oncology. 2019 Sep. doi: https://doi.org/10.1016/j.radonc.2019.08.004. PMID: 31495516
  • Swamidas J, Jain J, Nesvacil N, Tanderup K, Kirisits C, Schmid M, Agarwal P, Joshi K, Pushpa Naga CH. Dosimetric impact of target definition in brachytherapy for cervical cancer–Computed tomography and trans rectal ultrasound versus magnetic resonance imaging. Physics and Imaging in Radiation Oncology. 2022 Mar 4;21:126-33. doi: https://doi.org/10.1016/j.phro.2022.02.002. PMID: 35257030
  • Pushpa Naga C.H*, Chandni Hotwani, Sagar Pawar, Sadhana Kannan, Supriya Chopra, Umesh Mahant-shetty. Quantitative estimation of HPV infection, viral load & its impact on clinical outcome in locally ad-vanced cervical cancer treated with radical radio (chemo) therapy. J Cancer Res Ther 2017; 13(S1): S362
  • Pushpa Naga CH, Umesh Mahantshetty, Ankita Nachankar, Yogesh Ghadi, Shyamkishore Shrivastava. As-sessment of sub-site anisotropic margin expansions during cervical cancer image-guided radiation therapy. Radiotherapy and Oncology. 2019: S435. ESTRO 38. PO-0830.
  • Pushpa Naga C.H*, Umesh Mahantshetty, Reena Engineer, Supriya Chopra, Shyam Kishore Shrivastava. Vulval Interstitial High Dose Rate Brachytherapy: Single institution 15- Year Experience. J Contemp Brachy-therapy 2016; 8(5): 467, abstract: 10. doi: 10.5114/jcb.2016.63462.
  • Pushpa Naga C.H*, Tabassum Wadasadawala, Rajiv Sarin. Clinical outcomes of accelerated partial breast irradiation (APBI) using multi-catheter interstitial brachytherapy (MIB) grouped as per GEC-ESTRO consen-sus: Single institution 2-year follow-up data. J Contemp Brachytherapy 2016; 8(5): 476, abstract: 21. doi: 10.5114/jcb.2016.63462.
  • Pushpa Naga CH*, Kirthi Koushik AS, Janaki MG, Ramesh Bilimagga, Arul Ponni TR. Neoadjuvant chemo-therapy in head & neck malignancies - Radiation Oncologist’s Concerns. Indian Journal of Cancer. Nov 2013;50(S1): S160, abst:1325.
  • Pushpa Naga C.H*, Janaki MG, Ramesh Bilimagga, Arul Ponni TR, Rajeev AG, KirthiKoushik AS. Cervical esophagus dose-volume comparison between 3D-CRT and IMRT in head and neck malignancy irradiation. J Cancer Res Ther. Nov 2012; 8(S3): S185-186.
  • Pushpa Naga C.H*, Umesh Mahantshetty. High dose rate Interstitial Brachytherapy in Vulval cancer: Expe-rience from a tertiary oncological center of India. Brachytherapy. May 2016, 15, S108-109. doi: 10.1016/j.brachy.2016.04.173.


  • She is an active member of many professional bodies including Association of Radiation Oncolo-gists of India, Karnataka State Chapter of AROI, Indian Brachytherapy Society (IBS), American Society of Radiation Oncology (ASTRO) and European Society of Radiotherapy and Oncology (ESTRO).