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Table 3 Examples of challenging cases of hydronephrosis incidence

From: Finding relevant free-text radiology reports at scale with IBM Watson Content Analytics: a feasibility study in the UK NHS

“Reason: Evaluate for effusion; Admitting Diagnosis: HYDRONEPHROSIS”
“The right kidney is considerably lower in location than the left with slight pelviectasis but without frank hydronephrosis”
“FINDINGS: […] Initial images raised the possibility of mild bilateral hydronephrosis; however, repeat imaging with a different probe and in different positions suggests that this is likely fat hypertrophy within the renal sinus bilaterally. […] IMPRESSION: No definite hydronephrosis.”