In the sentence extracted from biomedical literature, identify all the chemical entities. The required answer format is the same sentence with HTML <span> tags to mark up specific entities. 
### Entity Markup Guides:
Use <span class="chemical"> to denote a chemical.

### Input Text: The lung mass was highly suspected to be lung cancer on CT and positron emission tomography , but histologically the lesion was composed of lymphoplasmacytic infiltrates in alveolar walls and intra - alveolar accumulation of foamy macrophages containing characteristic myelinoid bodies , indicating that it was an amiodarone - related lesion .
### Output Text:
The lung mass was highly suspected to be lung cancer on CT and positron emission tomography , but histologically the lesion was composed of lymphoplasmacytic infiltrates in alveolar walls and intra - alveolar accumulation of foamy macrophages containing characteristic myelinoid bodies , indicating that it was an <span class="chemical">amiodarone</span> - related lesion . 