Following this puts new work involving it at the top of your briefing, with a note saying why it is there. Links are taken from the source record, never inferred.
Rigorous nationwide retrospective cohort study with propensity score matching, large sample size, and consistent effect across multiple analytical approaches and subgroups, establishing a clinically significant increased risk of PJP with ICIs in lung cancer.
A narrative review synthesizing heterogeneous observational studies with acknowledged limited and incompletely understood evidence; raises questions about HIV–ovarian cancer association rather than establishing a definitive answer.
A single case report documenting an unusual clinical trajectory; provides descriptive evidence of disease evolution but lacks comparative data, control group, or generalizable findings.
A single case report with no comparator, describing anecdotal response to a novel drug combination in an unusual population; insufficient to change practice or confirm efficacy.
A single case report describing a rare presentation of CNS lymphoma with novel molecular findings; raises diagnostic and clinical awareness but provides no comparative data or outcome evidence.