Which tissue types would be most likely to be destroyed by chemotherapy?

The only: Lung cancer i expect a complete response to is small cell. The next steps vary depending on what the plan was: was t given before surgery? Radiotherapy? Was the expectation that the chemotherapy was curative? Go with him to the medical oncology visit scheduled to review the tratment plan. Treatment may be palliative. If symptoms, ask what else can be done.

The one growing fast: The one most likely be destroyed more/affected by chemo would be the ones that are growing in more rapid fashion- like cancer cells which would be the purpose - and unfortunately some other normal cells like hair cells, mucosal cells- i.e. In intestines, mucous membranes (the lining inside the mouth) . That is why diarrrhea , oral ulcer, hair loss are quite common side efect of certain chemotherapy.