Do you crop the mediastinal nodal CTV out of normal lung parenchyma when treating locally advanced NSCLC?

I do routinely crop the mediastinal CTV out of lung parenchyma—while a node may physically expand into the lung tissue (displacing the lung tissue)—there should not be microscopic invasion of the parenchyma. I similarly shave this nodal CTV out of other mediastinal structures such as bone, esophagus...