Many residents of southern and central Florida do not realize they may have an invasive species right in their own backyard. The cane toad is a native of Central and South America and was introduced to Florida as a means to control white grubs in cane fields.
1 Breathing difficulties: Shortness of breath, wheezing or noisy breathing (called stridor) may all be signs of lung cancer.  Loss of appetite: Many cancers cause changes in appetite, which may lead to unintended weight loss.
Wheezing is a whistling sound made during inhalation or exhalation. Wheezing can result from either of two respiratory conditions: reduced airflow resulting from narrowing of the airways or congestion in the lungs.Causes of wheezing include asthma and infection and inflammation of the lungs (pneumonia) or bronchi (bronchitis).auses of wheezing include asthma and infection and inflammation of the lungs (pneumonia) or bronchi (bronchitis).