Background Tests for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) viral
ribonucleic acid (RNA) using reverse transcription polymerase chain reaction (RT-PCR) are …

Background Testing for carcino‐embryonic antigen (CEA) in the blood is a recommended
part of follow‐up to detect recurrence of colorectal cancer following primary curative …

OBJECTIVES This overview aims to synthesise global evidence on factors affecting
healthcare access, and variations across low‐and middle‐income countries (LMICs) vs. high …

Objective To explore ongoing symptoms, unmet needs, psychological wellbeing, self‐
efficacy and overall health status in survivors of prostate cancer. Patients and Methods An …

Failure to report inconclusive test results can lead to misleading conclusions regarding the
accuracy and clinical usefulness of a diagnostic tool. We show that these results are often …

Background: Most smoking cessation guidelines advise quitting abruptly. However, many
quit attempts involve gradual cessation. If gradual cessation is as successful, smokers can …

Background Despite increasing use of computed tomography (CT), chest X-ray remains the
first-line investigation for suspected lung cancer in primary care in the UK. No systematic …

Objectives: To describe patterns of recurrence and postrecurrence survival in a large cohort
of accurately staged patients with Dukes' AC colorectal cancer. Background: Recurrence …

Objective To evaluate the diagnostic accuracy of a single CEA (carcinoembryonic antigen)
blood test in detecting colorectal cancer recurrence. Background Patients who have …

Background Point-of-care blood C-reactive protein (CRP) testing has diagnostic value in
helping clinicians rule out the possibility of serious infection. We investigated whether it …