Best Paper 40–50.

There was a significant difference in the delay of radiation treatment delivery by 3 weeks (15 fractions) in COVID-19-positive patients compared to only 1 week delay in COVID-19-negative patients. The disease was clinically controlled in 56 patients (42.42%) of the COVID-19-positive patients, and the patients reported locoregional disease progression in 34 patients (25.75%). There was a longer duration of treatment interruptions in the COVID-19-positive patients, mostly in second wave of the pandemic, leading to fewer patients completing the radiation treatment and thereby increased locoregional disease progression. The study was conducted to present the real-world analysis of the effect of treatment interruptions on the outcomes of patients treated with radiation therapy during all the three waves of the COVID-19 pandemic in a tertiary care institute in India. [Extracted from the article]