Squamous cell carcinoma of the stomach: focus on a heterogeneous disease at diagnosis. Case report and literature review - Monti, Manlio; Limarzi, Francesco; Oboldi, Devil; Sbrancia, Monica; Pallotti, Maria Caterina; Miserocchi, Giulia; Ghini, Virginia; Zanuccoli, Sofia; Cagnazzo, Sara; Frassineti, Giovanni Luca (Frontiers in Oncology, 2024)