Under- and Normal-Weight Patients Are More Susceptible to Recurrence of Phyllodes Tumor

Table 1

Clinicopathological characteristics of the study cohort.

Characteristic	All (n = 100)	Benign (n = 65)	Borderline (n = 29)	Malignant (n = 6)	value
Median age: y (range)	44 (19–62)	44 (19–62)	45 (19–59)	40.5 (29–50)	= 0.561
Median body Mass index: kg/m^2 (range)	23.7 (16.1–31.9)	23.3 (16.1–31.9)	24.1 (17.0–31.4)	26.8 (21.5–31.8)	= 0.219
Median pathological tumor size: cm (range)	4.0 (0.8–30.0)	3.5 (0.8–9.5)	6.5 (1.2–30.0)	6.5 (2.4–25.0)	= 0.004
Recurrence, n (%)					= 0.429
Not recurred	78 (78)	52 (80)	22 (76)	4 (67)
Recurred	22 (22)	13 (20)	7 (24)	2 (33)
Surgery, n (%)					< 0.001
Wide excision	92 (92)	65 (100)	23 (79)	4 (67)
Mastectomy	8 (8)	0 (0)	6 (21)	2 (33)
Stromal cellularity, n (%)					< 0.001
Mild	30 (30)	26 (40)	4 (14)	0 (0)
Moderate	61 (61)	37 (57)	22 (76)	2 (33)
Marked	7 (7)	0 (0)	3 (10)	4 (67)
Unknown	2 (2)	2 (3)	0 (0)	0 (0)
Cellular atypia, n					< 0.001
Mild	70 (70)	61 (94)	9 (31)	0 (0)
Moderate	21 (21)	2 (3)	19 (66)	0 (0)
Marked	7 (7)	0	1 (3)	6 (100)
Unknown	2 (2)	2 (3)	0 (0)	0 (0)
Mitosis, n					< 0.001
0–4	66 (66)	56 (86)	10 (35)	0 (0)
5–9	15 (15)	4 (6)	11 (38)	0 (0)
≤10	13 (13)	0	7 (24)	6 (100)
Unknown	6 (6)	5 (8)	1 (3)	0 (0)
Borders, n					< 0.001
Pushing	14 (14)	1 (2)	9 (31)	4 (67)
Infiltrative	84 (84)	62 (95)	20 (69)	2 (33)
Unknown	2 (2)	2 (3)	0 (0)	0 (0)
Stromal overgrowth, n					< 0.001
No	79 (79)	61 (94)	15 (52)	3 (50)
Yes	19 (19)	2 (3)	14 (48)	3 (50)
Unknown	2 (2)	2 (3)	0 (0)	0 (0)
Heterologous component, n					= 0.008
No	95 (95)	62 (95)	29 (100)	4 (67)
Yes	3 (3)	1 (2)	0 (0)	2 (33)
Unknown	2 (2)	2 (3)	0 (0)	0 (0)
Final margin, n					= 0.065
Negative	68 (68)	47 (72)	19 (66)	2 (33)
Positive	31 (31)	17 (26)	10 (34)	4 (67)
Unknown	1 (1)	1 (2)	0 (0)	0 (0)