The general rules related to carcinoma lung are: That it very rarely affects women. It is not usual for nonsmokers to get it. When in advanced stages - affecting more than half the lung, it will produce a cachexia-like picture or at least weight reduction of noticeable extent. Recently I have come across certain cases of carcinoma lung proved by biopsy are blowing out these rules apart. I have seen within a month two cases of women with carcinoma lung with no men with carcinoma lung in general hospital settings.

I had a case of a carcinoma lung of a woman, whose husband is a smoker and passive smoking produced Carcinoma. Passive smoking can increase a non-smoker's risk of getting lung cancer by a quarter. In this case, it is proved. Recently a lady of 42 years with history of cough alone for two months with less productive sputum with no haemoptysis, when undergone X-ray chest found to…