BLM and neoplasm: As for the drugs the patient received during the operation period, both betamethasone and halomethasone are long-acting glucocorticoids that are anti-inflammatory, inhibit fibroblasts proliferation and collagen synthesis, and reduce collagen deposition.[14] Pingyangmycin is an anti-tumor antibiotic found for the first time in Pingyang County, Zhejiang Province, China.[15] China approved the clinical use of pingyangmycin in 1978 by the Chinese Food and Drug Administration (SFDA).[16] Its main active component is bleomycin A5, which is a member of the bleomycin (BLM) family.