PMC9582132_01
The performance of CT scan of the pulmonary infection induced by hormone use (A) and the result of CT image after anti-infection as well as symptomatic treatment (B).
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Chest CT reported interstitial pneumonia in both lungs ( Figure 1A ), and genetic testing of pathogenic microorganisms from alveolar lavage fluid was diagnosed as secondary Pneumocystis jirovecii infection due to immune depression. Until November 2, 2021, the patient's shortness of breath gradually improved, and the chest CT showed that the inflammatory manifestations of the lungs basically disappeared ( Figure 1B ), and the myocardial enzyme index returned to the normal range.
Results of abdominal MRI scans before and after ICI rechallenge treatment in a patient with endometrial cancer. Prior to PD-1 rechallenge, T2-weighted image (A) and T1-weighted enhanced scans (C) showed enlarged lymph nodes visible next to the abdominal aorta. After 2 cycles of PD-1 rechallenge, T2-weighted image (B) and T1-weighted enhanced sequence (D) indicated that those lymph nodes achieved partial remission. The yellow arrow represented tumor locations.
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The entire treatment history of a patient with recurrent endometrial cancer treated with PD-1 rechallenge.
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The entire treatment history could be seen in  Figure 3 .