Effect of tissue microenvironment on tumor growth and development. BorgstromPer OhPhil CzarnyMalgorzata RacineBrian E SchnitzerJan 2013 <p>N202 and LLC tumor spheroids expressing H2B-GFP were implanted directly onto the dorsal skin or with mammary, liver or lung tissue as indicated and monitored through the dorsal skin window chamber by IVM at the indicated times.</p>