Precis:This JAMA Insights in Women’s Health series describes clinical evaluation of breast masses, diagnosis, and treatment of female breast cancer.
Source: JAMA Online First

This Viewpoint describes current data gaps, needed actions, and the national benefits of better data systems focused on substance use.
Source: JAMA Online First

This Medical News article discusses the latest developments in the 2022 global monkeypox outbreaks.
Source: JAMA Online First

This Medical News feature examines the possible ramification of abortion bans beyond pregnancy termination.
Source: JAMA Online First

This JAMA Patient Page describes carpal tunnel syndrome and its symptoms, risk factors, diagnosis, and treatment options.
Source: JAMA Online First

This clinical trial compares the efficacy of nitric oxide applied into the cardiopulmonary bypass oxygenator vs standard care on ventilator-free days in children younger than 2 years undergoing surgery for congenital heart disease.
Source: JAMA Online First

A 59-year-old man had 3 months of unexplained chronic diffuse abdominal pain. Results of upper and lower endoscopy, abdominal-pelvic CT, and urinalysis were unremarkable; hemoglobin level was 8.7 g/dL; peripheral blood smear showed basophilic stippling of erythrocytes; and physical examination showed bluish pigmentation along the gingival margin. What is the diagnosis and what would you do next?
Source: JAMA Online First

This study uses data obtained through an updated version of the Brazilian National Health System Questionnaire for COVID-19 to assess olfactory dysfunction in patients with mild COVID-19 in Rio de Janeiro, Brazil.
Source: JAMA Online First

This Viewpoint posits that to improve the diagnostic process, standards should be set for minimally acceptable diagnostic performance and actionable, timely, and meaningful information should be gained from measurement.
Source: JAMA Online First

This Viewpoint discusses the importance of considering the values that respect for autonomy promotes, including nonintrusion, sovereignty, authenticity, best interests, and moral status of family and loved ones, when considering proposals to modify or replace current practice with respect to surrogate decision-making.
Source: JAMA Online First