Signs of lung cancer are often such that they can be ignored. A top pulmonologist shared five signs that you should be aware of, as early diagnosis can make a huge difference and improve treatment ... Yahoo: Woman, 42, Details 1st Signs of Stage 4 Lung Cancer That Doctors Dismissed for Months Woman, 42, Details 1st Signs of Stage 4 Lung Cancer That Doctors Dismissed for Months The Times of India on MSN: You may be breathing normally but not well: Hidden lung gaps, early signs to watch, and simple ways to improve respiratory health You may be breathing normally but not well: Hidden lung gaps, early signs to watch, and simple ways to improve respiratory health Moneycontrol: 5 early symptoms of lung cancer that are often subtle and overlooked, says pulmonologist 5 early symptoms of lung cancer that are often subtle and overlooked, says pulmonologist NJ.com: The 5 subtle warning signs of lung cancer this survivor initially brushed off