Unusual initial presentation of childhood acute lymphoblastic leukemia as massive ascites and pleural effusion in post-COVID-19 setting: a case report.

Rare manifestations of relatively common diseases create a barrier to prompt and effective detection and medical intervention. Although ascites and pleural effusion are rare conditions in ALL children patients, the occurrence of these pathologies in this particular patient, especially following COVID-19 infection, is an exceedingly rare event.