NOTCH1 and liposarcoma: Molecular profiling confirmed a phenotype consistent with liposarcoma (MDM2+) and mesenchymal origin (Vimentin+/N-cadherin+), alongside high-risk markers (p53+/Ki67+/Notch1), and hormone receptor expression (ER/PR), while being negative for epithelial (PCK) and HER-2 markers.