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Table 2 SARS-CoV-2 positive patient characteristics (n = 8)

From: Implementation, adherence, and results of systematic SARS-CoV-2 testing for asymptomatic patients treated at a tertiary care regional radiation oncology network

Case

Timing of positive test

Gender

Age (years)

Primary

tumor type

RT intent

RT dose (Gy) / fractions

Symptom status at time of test

RT course

1

Pre-RT

Female

36

Melanoma

Palliative whole brain RT

30/10

A

Initiated RT as planned. Retested 14 and 16 days after initial positive test, both negative

2

Pre-RT

Female

79

Bladder

Palliative SBRT to lung oligometastasis

54/3

A

SBRT start held. Retested 19 days and 27 days later, both negative. SBRT start delayed 27 days

3

Pre-RT

Male

60

Prostate

Definitive RT + brachytherapy boost for unfavorable intermediate risk prostate cancer

46/23

A

RT start held. Retested 31 days and 33 days later, both negative. Patient resimulated due to delay. RT start delayed 38 days

4

Pre-RT

Female

52

Breast

Definitive breast + regional lymph node RT

50/25 + 10/5 boost

A

RT start held. Retested 14 and 16 days later, both negative. Patient resimulated due to delay. RT start delayed 19 days

5

Intra-RT

Female

51

Breast

Definitive breast RT

42.56/16 + 10/4 boost

S

Pre-RT test performed 4 days prior to intended RT start was negative. Patient’s husband tested positive and she became symptomatic 2 days prior to intended RT start. RT start held. Patient tested and was positive. Retested 15 days later and was positive again. Retested 15 and 18 days later, both negative. Patient started AI in the interim and RT start delayed 10 weeks

6

Intra-RT

Female

71

Breast

Definitive breast (DCIS) RT

42.56/16 + 10/4 boost

S

Pre-RT test negative. Patient initiated RT and received 6 of 20 planned fractions. She then became symptomatic and RT was held for 2 days for testing, which was positive. Repeat test 14 days later was also positive. 2nd repeat test 2 week later was also positive. RT resumed after 5 week delay

7

Intra-RT

Male

62

Prostate

Definitive post-prostatectomy salvage RT for PSA failure

68.4/38

A

Pre-RT test negative. Intra-RT asymptomatic test positive after 25 fractions. RT held for 1 day and then resumed and completed. He was retested 28 and 30 days after initial positive test, both still positive

8

Intra-RT

Female

68

Breast

Definitive bilateral breast

50/25 + 10/5 boost

S

Pre-RT test negative. After 15 fractions, she became symptomatic and RT was held for 3 days for testing, which was positive. RT was resumed after the 3 day break and then completed as planned. Repeat test 8 days after initial positive test was also positive. 2nd repeat test after an additional 10 days was negative. 3rd repeat test after an additional 4 days was positive

  1. RT = radiotherapy, SBRT = stereotactic body RT, PSA = prostate specific antigen, A = asymptomatic, S = symptomatic