Fragmented images of SCC that were misdiagnosed as lymphoma (H&E, 20×). The analyses by cytopathologists are as follows: (A): the unfocused, blurry image may have resulted in unclear chromatin details; (B) the unfocused, blurry image may have resulted in unclear chromatin details; (C) the scattered tumour cells are poorly differentiated, and the cytoplasm is not prominent. SCC, squamous cell carcinoma.