### symptom | scar:

Hypertrophic scar
* are more common in the young and people with darker skin
  - when healing is delayed
  - scars that are raised
* tend to develop a peak size and then get smaller over months to years.

### symptom | scar:

Keloid
* Some keloids stop growing or even disappear by themselves.
* appear in the healing phase of a surgical or traumatic wound.
* are a raised over-growth of healed scar tissue over a cut, injury, or surgery site
  - an excessive growth of scar tissue and harmless
  - benign collagenous tumors that arise from abnormally healing wounds
  - deficient in lymphatics and associated elastic fibers
  - devoid of hair and other adnexa
  - difficult to treat
* are more frequent in black people than in white people
  - blacks
  - often hereditary and are more common in people that have a dark complexion
  - over-growths of wounds usually after surgery or trauma
* are overgrowths of scar tissue that follow injuries
  - follow skin injuries
* are scars that are raised and extend beyond the borders of a normal scar
  - grow excessively
  - shiny, hard, smooth, often dome-shaped, and slightly pink
  - tumor-like proliferations of scar tissue
  - usually just a cosmetic problem
  - very difficult to remove
* continue to be an unsolved problem in plastic surgery.
* grow beyond the boundary of the original wound and can continue to grow indefinitely.
* have a tendency to occur more frequently in dark skin people.
* occur most often in heavily pigmented people and tend to get progressively worse
  - when the body overreacts when forming a scar
* often form after surgery at the site of the incision or puncture site
  - require no treatment
* seem to have genetic causes and are found primarily in people from African and Asian races.
* tend to run in families.

Radial scar
* are tiny abnormal tissue changes found deep within breasts.
* can often occur after a surgical procedure of the breast.
* have a core of scar- like tissue, with ducts radiating from there.

Stipular scar
* encircle the twig.
* vary greatly in size and shape from a small dot to a line that encircles the twig.

### symptom:

Shortness of breath
* are dyspnea.
* associated with heart failure is due to fluid backing up into the lungs.
* can also interfere with sleep and limit an individual's ability to exercise.
* can be due to many different causes
  - pleural effusion or massive mediastinal mass
* can occur because of an altered heart rhythm
  - heart muscle failure
  - stem directly and indirectly from many sources
* common symptom.
* equals shortness of life.
* following a leg injury can mean a blood clot in the lung.
* is also common.
* is common for people with lung cancer
  - in the later stages of pregnancy
  - much like soil erosion
  - often the symptom that most bothers people
  - the main symptom of idiopathic pulmonary fibrosis
* is the major symptom of emphysema
  - pulmonary emboli
  - most common warning sign of heart failure
  - symptom that most commonly prompts a person to seek medical attention
  - typically an early sign of asbestosis
* occurs in diseases of the spinal cord
  - that inflame the nerves that control the muscles
  - occasionally, and can be severe in some patients
* significant indicator of possible heart trouble.