Skip to main content
. 2021 May 15;111(2):331–336. doi: 10.1016/j.ijrobp.2021.05.010

Table 1.

Total number and percentage change of pathologic specimens received, malignant lesions, positivity rate, and predicted missed cases

Total Colorectal Lung Breast Prostate
Pathologic specimens received
 2017 528,916 57,481 91,885 19,031 8747
 2018 535,896 59,507 95,405 19,322 8516
 2019 552,820 62,754 106,001 19,139 9229
 2020 455,453 48,955 87,497 18,756 7149
 % change –15.53 –18.29 –10.5 –2.13 –19.04
Malignant lesions
 2017 41,736 6136 7046 4101 1953
 2018 42,002 6050 7120 3980 1959
 2019 43,653 5987 7736 4035 2202
 2020 41,550 5410 7802 4057 1939
 2020 predicted 44,071.51 6011.58 8045.98 4029.43 2416
 % change –5.7 –10.0 –3.0 0.7 –19.7
 2020 missed cancer diagnosis 2521.51 601.58 243.98 N/A 477
Positivity rate
 2020 9.12 11.05 8.92 21.63 27.12
 2020 predicted 7.84 9.23 7.34 21.04 25.44
 % change 16.3 19.7 21.5 2.8 6.6

Abbreviation: N/A = not applicable.

The percentage change of pathologic specimens received and positivity rate was based on the prior 3-year average. The percentage change of malignant lesions and predicted missed cases was based on the predicted number using a time-series model.