Primary extranodal diffuse large b-cell lymphoma of the calf muscle mimicking a carcinoma: A rare case report

DLBCL, while common among NHLs, rarely presents as primary extranodal lymphoma in skeletal muscle. The presented case underscores the importance of considering DLBCL in differential diagnoses for atypical soft tissue masses and the effectiveness of R-CHOP chemotherapy in managing this rare presentation. Prompt and appropriate treatment, such as R-CHOP chemotherapy, is essential for favorable outcomes.