Systematic ReviewPublished 24 July 2026Occult squamous cell carcinoma presenting as oligometastatic lymphadenopathy. A systematic review with a case reportŁukasz Ważny · Jakub Ciesielka · Krzysztof Jakimów · Aleksandra Tobiasz · Paulina Kluszczyk · Grzegorz Owczarek · Mateusz Winder · Jerzy T. ChudekOncology Reviewsdoi 10.3389/or.2026.1801426